Military Collections in Sweden – Third Chapter

The rich military tradition of Sweden can be retraced by means of many interesting dedicated collections. Many of them are scattered in the nice southernmost country regions of the Scandinavian peninsula, and make for an interesting detour from the most popular touristic destinations.

As reported in the previous two chapters on the topic (see here and here), the neutrality of Sweden in the major confrontations taking place during the 20th century allowed this northern Country to operate in a unique and original way, especially in terms of military procurement. Besides picking what was actually deemed suitable for their internal needs especially from the West, Sweden managed develop a strong domestic design and manufacturing capability, such to fulfill its own self-defense role in a cost-effective and credible way.

The defense of neutrality was carried out in the air by a strong Air Force, often updated over the years. With the end of communism in Eastern Europe and the collapse of the Soviet Union in the early 1990s, the major threat in the Baltic area came to an end as well, resulting in a major scale-down of this defense force and the disbandment of many military organizations. Correspondingly, memorial museums can be found often close to former airbases. One of them, dedicated to the ‘Scania’ wing F10, in operation since WWII to the early 2000s, is covered in this chapter.

A rather complete collection of aircraft from the entire span of the Cold War can be found in the unusual frame of a private museum, established in the 1960s from the will of the founder to display primarily his own collection of cars. The mix is particularly interesting, witnessing also the close link between Sweden and the vehicle industry of the US, possibly the tightest among all Countries in Europe.

Of course, in the theater of WWII Sweden was politically and geographically in an interesting position as well as later in the Cold War. Its relative proximity to the Third Reich meant it was often overflown by bombers on their way back from missions over mainland Germany. Dogfights and bomber chase missions reached the airspace of Sweden, sometimes ending with either German or Allied aircraft crashing on Swedish territory. An interesting museum covered in this chapter is fully dedicated to the topic.

Photographs in this chapter were taken in the summer of 2024.

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Sights

Ängelholms Flight Museum, Ängelholm

This nice collection of military aviation can be found on the former premises of the air base of Barkåkra (today Helsingborg airport), which has been the home of the 10th Wing ‘Scania’ (aka. F10 or ‘Ängelholm Wing’) between 1945 until the disbandment of the latter in 2002. Established during WWII, the illustrious history of the F10 wing spanned the entire Cold War, reaching into the 21st century. Correspondingly, the Scania Wing was supplied over the years with a rich inventory of aircraft models, ranging from classic fighters of WWII to the more recent SAAB Viggen and Gripen.

The structure of the exhibition, rather compact in size, is composed of two major areas.

In the first, the history of F10 is retraced especially by means of interesting photographs and memorabilia items. Among the pictures, some portray American bomber crews as well as German fighters landed on Swedish territory, which remained neutral during WWII.

In this area are also a few dioramas and reconstructions of typical military scenes, including a medical room, from the earlier days of operation of the Scania Wing. Everyday items, as well as military training and illustrative material, is presented in display cases.

The second major area is where most hardware of the collection can be found – aircraft, engines, vehicles, and much gear from the days of operation of the F10 wing. Among the earliest models acquired by F10 back in the WWII years was – rather interestingly – an Italian fighter, the Reggiane Re-2000 Falco, a batch of which was obtained from Italy in a supply shortage scenario, where especially the US had halted material export to non-allied countries. Pressed into service with the Air Force of Sweden (and specifically also with the F10 wing) as an interceptor with the locally attributed code of J20, this generally adequate machine was powered by a Piaggio P.XI 14-cylinders radial engine (which according to Roman numbering then often employed in Italy translates into P.11), a 1.040 hp model license-made in Italy, and originally a French design by Gnome-Rhone. A Re-2000 is not on display, but a Piaggio P.XI is! This engine has been quite popular in those years in Sweden, ending up also as an interim power plant for the Swedish own SAAB B17C single-engine light bomber/diver (not to be confounded with the homonym American Flying Fortress).

Close by the P.XI is the oldest aircraft on display belonging to the F10, in the form of a FFVS J22. The company FFVS was actually a Swedish state-managed entity, borne in the years of WWII to cope with the wartime supply requirements on one side and the overbooking of the SAAB plants on the other. Introduced during WWII, this rugged fighter was powered by a Pratt & Whitney R-1830, the ubiquitous Twin Wasp, license-built in Sweden by Svenska Flygmotor. The Scania Wing received the J22 model only in 1945, the last propeller-driven aircraft in its inventory. The exemplar on display looks under maintenance, and is possibly in airworthy conditions.

Next on display is a SAAB J29 Tunnan, with its distinctive barrel-shaped fuselage enshrouding the single, centrifugal flow jet engine. The F10 wing transitioned to jets in 1946 with the early SAAB J21R and the British-supplied DeHavilland DH100 Vampire (named J28R in Sweden). The Tunnan was provided to the F10 wing in 1953, and there it remained until 1963, while more advanced models were becoming available. The engine of the J29 was a DeHavilland Ghost, manufactured under licence in Sweden by Svenska Flygmotor under the name RM2B – an example is on display.

Close to the tail cone of the Tunnan is also a DeHavilland Goblin engine, originally employed on the Vampire.

The longest-lasting workhorse in F10 service has been the SAAB J35 Draken. An exemplar of the J version, the most updated and last (with the actual modification taking place in the late 1980s), is on display. The distinctive bulge for the IR seeker under the fuselage, appearing from the modern F version on, can be checked out from very close.

Interestingly, the Draken is presented with an exemplar of the Rb-28 missile hanging from an underwing pylon. This is a SAAB-modified version of the US-designed Hughes AIM-4D Falcon, an air-to-air missile conceived as an anti-bomber weapon, but hastily pressed into service against Vietnamese MiGs during the Vietnam war, under the wings of the Phantom, and proving very ineffective in the dogfighting role. For the Soviet bomber interdiction role of the Draken, this missile platform was deemed more effective, and it was retained for service for decades in Sweden.

Other missiles, rockets and guns (including a dismounted Aden 30 mm cannon) pertaining to the warload of the Draken are on display as well, together with an interesting console for missile signal testing.

Ahead of the Draken is a memorial wall, and ahead of it is a Rolls-Royce Avon jet engine, displayed as an instructional cutaway – including both the turbomachinery and the afterburning component. License-built in Sweden by Svenska Flygmotor as RM6C, this was the engine of the Draken.

The F10 wing received the SAAB J37 Viggen only after the collapse of the USSR in 1993, marking the beginning of the last, post-Cold War chapter in the history of the unit. Quite elusive due to its adoption only by Sweden, albeit rather successful in its intended roles, an exemplar of this machine can be found in this collection. Specifically, this is a photo reconnaissance version named SF37. Lacking a radar, this model typically operated on reconnaissance missions in a flight of two, together with a radar-supplied SH37 variant.

The Viggen can be neared and checked out entirely with ease, thanks to its positioning on a pedestal. The photo-reconnaissance payload is on display. Under the left wing is a SAAB Rb-04 anti-ship missile. This Swedish own design was conceived for countering invasion starting from the sea. With a radius of 25 km and active radar homing, its warhead was sufficient for knocking out an enemy cruiser with a single hit.

The collection of the Scania Wing also includes the SAAB SK60 trainer, a successful trainer employed for decades, and inducted into the F10 inventory during the 1990s, when the wing took over the basic training role from the F5 wing. Similarly, an ubiquitous Bell 204 (Hkp 3B according to Swedish naming) can be found on display, as it was employed within the F10 for rescue and logistics/transport duties.

Close to the Viggen are further interesting exhibits. One is on the wartime bases (krigsflygbaser, see this post), with models and original signs from one of them.

Another is about weather forecasting within F10. It includes electronic hardware, an entire room with original consoles, and weather balloons, still today employed to carry atmospheric sounds.

A display is dedicated to pilot’s protection helmets, survival kits and ejection seats. Not only in Sweden, the latter have been in the focus of a major technological development over the years of the Cold War. Ejecting from a fast jet in the 1950s was reportedly a highly-risky business, since even when the maneuver was technically successful – i.e. such to take the pilot out of the aircraft alive – the ejection-induced acceleration alone was more than enough to cause serious injury, usually to the spine. Over the years, multi-stage ejection was implemented, allowing for a more gradual maneuver, which albeit remaining lightning-fast, does not inflict so harsh a treatment to the pilot’s body as in the past.

A top exhibit on display is an original cockpit from a SAAB J35 Draken, employed for training purposes. The cockpit is very well preserved, thoroughly described by explanatory panels nearby, and it can be boarded to give you a feeling of the functionality of the onboard systems, as well as of the ergonomics of the cockpit.

Two more training aircraft are included in the exhibition, a SK61 and SK50, both single-propeller machines employed for basic training.

Additionally, the last type in service with the F10 has been the SAAB JAS39 Gripen (from 1999 until disbandment), which is here represented by means of the first serial production machine of the first version (‘A’). This exemplar was actually never pressed in air force service, but it was employed as a test bed for multiple operations, including test firing of missile ordnance in the early 2000s.

Additional dioramas in this compact but rich collection include op-rooms from various ages.

An interesting exhibit is a relatively well-preserved Rolls-Royce Merlin piston enigine, originally powering a British Avro Lancaster bomber which sank south of Trelleborg in the Baltic Sea, presumably early in 1945 after a bombing run over Germany.

Finally, on the outside it is possible to find a British Bristol Bloodhound Mk II missile. This SAM supplied a squadron of F10 wing, complementing the air defense role in proximity to the airbase.

Getting there and visiting

The name of the museum in the local language is Ängelholms Flygmuseum, which translates into Ängelholm Flight Museum. It is located on the southwestern border of the former airbase of Ängelholm, easily reachable at the address Drakenvägen 5, 26274 Ängelholm. This town is 15 mi north of Helsingborg along the E6 highway.

Large parking ahead of the entrance. Nice shop with books, toys and gadgets by the ticket office. The museum facility is rather compact, yet a visit may easily take 1.5 hours for an interested subject, when carefully checking out all items on display and taking pictures. Descriptions are in double language, Swedish/English, allowing for an informative visit even if you are from abroad.

Professional website with full information here.

Museum of Forced Landings, Morup

The Museum of Forced Landings (in Swedish language the museum is named in a rather different way, ‘Morups Samtidsmuseum’) is a one-of-a-kind collection of remains and traces from air crashes or forced landings taking place during WWII in Sweden. Run by a lively group of dedicated enthusiasts, the display is extremely well-crafted, offering not just an array of many and diverse relics from aircraft wrecks, but for each of them a complete synopsis of the story behind that specific flight – and the crewmen who were on board.

Furthermore, in my case I was accompanied by a very knowledgeable English-speaking gentleman for the entire duration of my visit, making the experience even more engaging.

The exhibition starts with a display of general maps of the crash or forced landing sites. A sharp increase towards the end of the war is evident, due to the increase in the number of bombing raids over the center of the Third Reich. The crashed aircraft are mostly from the US and Britain. When hit over Germany but still airworthy, Allied crews attempted an escape to neutral Sweden, to avoid capture by the Germans.

Of course, Sweden was a neutral country, hence all grounded crews, irrespective of their nationality, were interned, albeit in more than decent conditions, especially compared to German or Soviet prison camps.

A map of the internment location in Sweden is presented as well. Clearly, also German aircraft crash-landed in Sweden. Crews of opposing nationalities were interned in totally different locations. Rare photographs from these sites are on display.

Then, one by one, the display cases describe each a notable forced landing, retracing its timeline, and showing some relics from the wreckage, as well as personal items belonging to the crew. Nice detailed scaled models and dioramas of the accident complete the reconstruction.

Among them are a German Messerschmitt Bf110 attack aircraft, with a fragment of the canopy as well as other parts on display, Norwegian training aircraft, a German Junkers Ju-52 transport, with an entire control column put as an exhibit.

The bombsight, radio and other instrument goggles belong to a German Heinkel He-111 bomber landed on ice.

One of the plots documented in the deepest detail is that involving Lt Edward E. Phillips, of USAAF 354th fighter group, which flew escort missions over Germany from Baxton, England, with North American P-51 Mustang fighters. On the 15th of April 1944, on return from a mostly failed bombing mission over Germany in bad weather, Lt. Phillips aircraft was chased north by a Bf109. He was hit over southern Sweden, bailed out but the parachute failed to deploy. He was killed instantly, and his aircraft impacted soft terrain and sank so deeply due to its own energy that it almost disappeared into the ground – and there it remained for 40 years. In the 1990s an excavation attempt was carried out by the future crew of the museum, uncovering substantial remains of the aircraft, including many parts, cockpit gauges, machine guns, an entire landing gear leg, and more.

A link was established by the local crew with the former wife of the man in the US, and the story hit the news. A memorial was inaugurated on the location of the crash.

Another American aircraft with a story to tell is a Consolidated B-24 Liberator. This time the aircraft managed to crash land under control, and the entire crew of 10 was saved and interned. Sgt Robert C. Birmingham, part of the crew, visited the locations of his adventure in Sweden more than once with his family.

More accidents described in the display involve British and German aircraft.

In an adjoining room, an impressive collection of quality scale models reconstruct many of the aircraft in service within the Air Force in Sweden, including details such as different celebration markings and camo coats. Among the artifacts and memorabilia items on display in this part is an autographed photo of WWII German ace Günther Rall.

In another small hangar is an interesting addition to the collection, mostly centered on aircraft engines. Engines from crash-landed aircraft, significantly damaged but undergoing a display-oriented cleaning and refurbishment, make for an unusual and interesting sight.

Outside is also a small collection of classic cars in pristine conditions.

Getting there and visiting

The museum is called ‘Morups Samtidsmuseum’ in Swedish language. It can be found right along the road N.768 about 6 miles north of the coastal town of Falkenberg, 0.25 miles north of the small town of Morup. The exact address is X9MP+84 Morup.

A visit may take about 1 hour, more when stimulating further telling by the very enthusiastic crew of the association running the museum.

Please note that no credit cards are accepted, only cash is – unless you are entitled to employ electronic payment methods allowed for citizens or residents of Sweden.

The website, partially under construction as of spring 2025, can be found here.

Credit for directing me to this hidden gem goes to Martin Steffen, from Sweden.

Svedino’s Automobile and Aviation Museum, Ugglarp

This unusual exhibition originates from the own collection of Lennart Svedfelt, a prominent Swedish stage and TV entertainer borne in 1924 and known as ‘Svedino’. The man started purchasing cars and planes for the purpose of collecting them, in an era when a similar activity was hardly heard of. In 1961 he opened his collection as a permanent display, the first museum dedicated to cars in Sweden. Over the years, and even following his passing, the museum continued to grow, reaching more than 100 cars and 40 aircraft on display today!

Even though this is not an eminently military museum, despite the cars being beautiful civilian cars, most aircraft on display are military machines, including some remarkable items – therefore, Svedino’s perfectly fits within this chapter!

The cars on display make for a really unique collection, in and out of Sweden. A remarkable feature is especially the number and uniqueness of US-made cars from the inter-war period between WWI and WWII. In a first building, these include models by Chevrolet, Buick, Dodge, Nash, Oldsmobile, and more!

Also some classic models from European manufacturers, like Opel, are on display. A special rarity is an Adler Trumpf from 1934. Adler, a German company from the 19th century active in the manufacture of petrol engines, operated in the car market for a relatively short time, roughly coincident with the Third Reich period. They made cars in the intermediate price segment, with good success. The company changed business following WWII, making Adler cars interesting collectible items representing car-making from a specific era.

As expected from a Swedish museum, a full array of classic Volvo is on display! These include small trucks and saloons, and interesting models like the PV36 from the inter-war period. Similar to the PV830 and the iconic PV444 from the immediate post-WWII years, an influence of the contemporary American designs is undeniable in all these models.

Also on display are more modern vehicles employed as state cars. An interesting item is a very old Gräf & Stift, an Austrian luxury sedan from before WWI, salvaged from the bottom of a Swedish lake after spending there more than 40 years, and acquired by the museum.

Two interesting cars on display are personal designs from the early 1950s. In Sweden it was possible at that time to introduce privately-built cars, provided they could sustain a compliance check. An example of a fantasy car, with a rather aggressive design and physically assembled from parts of other cars, is on display. It was never completed nor allowed on the road. Another example, designed and made by the son of the industrialist Wennberg, reportedly roamed around all over the 1950s! This unique exemplar is on display with ‘factory markings’ HW.

In a second adjoining building, a really valuable collection of even older cars, dating from earlier than 1930, is on display. Also here most items in the collection are from the US, a really rare sight on this side of the ocean! Looking at the elaborated labels of these oldies, made by Ford, Anderson, Seneca, and thinking of the craftsmen who personally assembled them back in the America of the early 1900s is really thought-provoking!

Among the most unique cars on display is a Pierce-Arrow from 1918, sitting alongside a Haynes from the same year.

Moving on to another adjoining hall, here cars are on display alongside a few classic planes from the first half of the 20th century. A DeHavilland Moth, a Götaverken GV-38 seaplane (a licence-built Rearwin Sportster, a US design), as well as a German Klemm Kl-35 and a Focke-Wulf FW-44 designs, are on the list together with more light airplanes and a few engines.

The latter include an original Rolls-Royce Goblin and Avon, respectively from a DeHavilland Vampire and a SAAB Draken, both in service with the Air Force of Sweden during the Cold War.

A focus of the exhibition is on the memory of a pioneer of Swedish aviation industry, Enoch Tulin, who is the author of many ‘firsts’ in the aeronautical history of this Country – the largest aviation workshop to date before WWI (with 900 employees), the first air mail service, the first air rescue mission, and more. A graduated engineer, flight instructor and early aerobatic pilot, Tulin died in an airplane crash in 1919, after gaining unquestioned prominence in many fields of aeronautical industry and operation in his era.

A final adjoining hall concludes the oldest part of the exhibition premises. Here the spotlight is on a few fighters from the Cold War era, namely a SAAB J29 Tunnan, two DeHavilland Vampire, and even a SAAB J35 Draken.

The latter is really a unique exemplar. As can be guessed by the monstrous red and white spine on the nose cone, typical to experimental aircraft and not a feature of the production machine, the one on display is actually the first prototype!

Another curious item is a Soviet-made Kamov Ka-26 helicopter. Alongside the helicopter is a vintage advertisement from 1975, written in Swedish, and made by Aviaexport, a Soviet agency for the commercialization of Soviet aeronautical products abroad. Borne as an import-export, Aviaexport acted also as a recipient of foreign certification rules, spreading the growing body of western aeronautical regulation within the Soviet design bureaus, to the aim of keeping the quality standard to a level sufficient for commercialization in foreign countries. Actually, thanks to Aviaexport the Kamov Ka-26 received a type certification in Sweden, which allowed its commercialization and regular employment there. Aviaexport is still existent in today’s Russia.

Interspersed between closely-packed aircraft are more cars, including a beautiful Jaguar Mk V and an East-German Trabant, as well as aircraft engines.

A massive Wright Cyclone R-3350 is among them – the power plant of the Lockheed Constellation and Douglas DC-7, often considered the pinnacle and swansong of American piston power, this massive 1.2 tons, 18 cylinders engine produced 3.700 hp of shaft power!

Svedino’s aircraft collection is mostly hosted in a modern hall added more recently beside the original museum’s building. The first item on display is an original Junkers Ju-52! This aircraft is among those license-built in Spain. It operated for some time as far as in California in the 1970s, being later transferred to Ireland, and finally here. The camouflage and markings reenact those of a Third Reich’s Luftwaffe machine force-landed in Sweden during WWII. The cockpit of the Ju-52 has been reproduced separately, to allow checking it without boarding this precious aircraft.

As expected for a Swedish aircraft collection, the most prominent models which have served in the local Air Force are represented. These include a SAAB J32B Lansen, a Cold War attack aircraft from the 1950s, a SAAB SK60 trainer, and a SAAB J35 Draken – a production machine, not a prototype like in the previous hall.

These aircraft are presented alongside their engines. The Swedish licence-built version of the Rolls-Royce Avon, named RM6A, powered the Lansen and later the Draken.

The latest addition to the SAAB heritage on display is the J37 Viggen, here presented in the nice and distinctive camo coat of the Air Force of Sweden. This is presented alongside its mighty engine, the RM8A, a modified version of the Pratt & Whitney JT8D turbofan.

Additionally, a display of an open nose cone allows to see the arrangement of the radar antenna of the Viggen.

An interesting display case hosts the instrument panels, radar and reconnaissance gear of the Lansen, Draken and Viggen, as well as a collection of flight helmets and pilot’s gear, showing the evolution of this technical material over time.

But the collection of Svedino’s is not limited to aircraft in service in Sweden. A Lockheed F-104 Starfighter from the Air Force of Denmark is on display, next to a Gloster Meteor early twin jet. The blue exemplar on display is a former factory demonstrator originally employed by Gloster, and later sold to Sweden for target towing (in a batch of seven aircraft).

A rarity to be found close by is a Percival P.66 Pembroke, a twin-engined multi-purpose transport from the early 1950s, employed for training and passenger transport within the Air Force. Manufactured in Britain in just 128 exemplars, this type was mostly sold abroad to Western-European Countries and in Africa. Sweden originally got a batch of 16.

Another British type on display is a Hawker Hunter, which was actually employed by Sweden as a stop-gap model in the late 1950s, waiting for the completion of the design and the entrance into service of the J35 Draken.

Another Soviet addition to the collection is a MiG-21. A Cold War veteran, this exemplar is Soviet-built, and served in Hungary until 1982 and later in the Latvian SSR.

A recent addition to the exhibition is a Douglas Skyraider! Possibly overshadowed by the illustrious career the type enjoyed in the US Armed Forces, a part of the history of this massive attack aircraft is about Sweden. Some 13 exemplars were actually purchased by Sweden for target towing in the mid 1960 from Britain, which had got a larger batch from the US. The exemplar on display is an AD-4W, the early warning version of the Skyraider. It is currently (2024) being refurbished.

Among the biggest additions to the aircraft collection is actually an English Electric Canberra. As typical to this type, employed by the British for the first, high risk overflights of the Countries of the Soviet bloc before the high-performing Skunk Works aircraft became available, the Canberra (including its modified Martin version in the US) was employed for quintessentially Cold War signal intelligence missions opposite the Soviet Union. Two exemplars were employed also in Sweden from the early 1960s until the mid-1970s, and one of them is that on display.

A curious item also on display is a one-off design which won a competitive call of the Aviation Engineering Association in Stockholm in 1988, and which was later actually built by its designers. Unfortunately, it was eventually never tested due to one of the owners need to quit for health issues when the aircraft was undergoing a certification test for obtaining airworthiness. The name of the prototype is LLS-1.

Scattered among the aircraft are more engines, radars, consoles, simulators, and more aircraft than described, making for an overall very rich and interesting visit.

Getting there and visiting

Svedinos Bil & Flygmuseum – this is the name of the museum in the local language – can be found in a nice countryside 15 miles north of the port town of Halmstad. The exact address is SE-311 69 Ugglarp.

The premises are rather compact, with a large parking ahead of the entrance. Fresh cookies, homemade sandwiches and cakes are available for a light lunch in the exotic lobby, matching in style with this unusual collection.

A visit may take 2 hours for an interested subject. Most items are described with modern panels in double language Swedish/English, making the visit very informative. The website with logistical information is here.

Bornholm – Military History of a Contended Danish Island

The small island of Bornholm is today a popular destination for vacation time. Especially in the summer, the small and picturesque towns along the coast, as well as the curvy roads unwinding over the gentle slopes in the countryside, become increasingly crowded with cars, motorbikes, campers and bicycles – however, without reaching the point where a tourist who is looking for relaxation may feel uncomfortable.

The quiet and relaxed aura of this enjoyable piece of land, halfway between the German-Polish coast and that of Sweden – and nonetheless part of Denmark – hides a history pointed of battles and turmoil, lasting from the early era of the vikings until the Cold War.

Quick historical facts

Between the medieval times and the 17th century, the island was often seized by the Hanseatic League, binding together coastal towns in the Baltic and protecting trading routes. During the 17th century, Sweden became a major player in the area, and wars between Denmark and Sweden meant the island changing landlord more than once, with the locals always playing militarily in favor of a union with Denmark, to an extent made possible by their own forces, yet meeting with final success.

A largely forgotten war between Britain and Denmark, taking place in the years of total confusion brought about by Napoleon’s endeavors all over Europe, meant that Bornholm was attacked by the British fleet in more instance between 1808 and 1810, basically without any success.

World War II

The invasion of Denmark by the Third Reich and the capitulation of the Danish government, militarily unable to counter the irresistible march of Hitler’s military forces in April 1940, resulted in Bornholm being occupied by the Germans. The local Danish commander annotated the order not to resist the German take-over with disappointment, feeling that a firmer military response to the invaders was indeed possible. The island was fairly well organized and armed against an air-launched invasion.

The capitulation of Denmark without engaging in a military struggle allowed to obtain less harsh conditions from the occupants, including a limited independent military activity for the first years of WWII. However, a strong anti-German feeling fueled the growth of a resistance movement, including locally in Bornholm.

Similar to what happened to the Danish mainland (see this post), the military planners of the Third Reich included Bornholm in the coastal defense structure on the outer border of the newly acquired German territory – the so-called Atlantic Wall. In particular, construction of a fortress for four 38 cm cannons started on the south-eastern corner of the island, in Dueodde (similar to that in Hanstholm, Denmark, of Vara, Norway). The very efficient Organisation Todt had the first two emplacement largely complete by April 1941. By the attack on the Soviet Union in June 1941 however, and with the rapid expansion of the Third Reich to the east, the fortress in Dueodde was deemed of little use. In the event, construction works never reached completion.

Further significant war-related construction projects on Bornholm included observation posts and several radar stations (Würzburg and Freya types), which could profit from the location of the island on the route taken by bomber groups on their way back to Britain from raids over Berlin or the surrounding region. The proximity with respect to the facility for the development of experimental weapons at Peenemünde (see here) made of Borhnolm a natural place for the installation of measuring equipment. Furthermore, the main coastal town of Rønne – still today the largest center of the island, where most of the commercial and ferry sea traffic goes through – was largely employed as a base for the Kriegsmarine. Actually, more than 600 different German submarine units called this port during the war years, about one half of the entire German submarine fleet!

Diplomatic relations between the Third Reich and Denmark deteriorated rapidly in August 1943, when the Germans – now at a turning point of the war – launched operation Safari, trying to capture all assets of whatever military value from Denmark, thus also destroying its military capability. As a response, Denmark scuttled 32 of its own vessels, and sent a handful to Swedish or to even more distant friendly ports. In Borhnolm all Danish troops were disarmed and taken away from the island.

Somewhat paradoxically, the most tragic events of the war struck Borhnolm at the very end, when the island found itself off the coast of Poland, now taken over by the Soviet Red Army advancing from the east towards Berlin (see this post). As the fear of defeat and imprisonment grew among the ranks of Third Reich forces, following the heavy losses on the eastern front in Spring 1945, many German troops reached Bornholm to prepare for an escape further west, or north to neutral Sweden. This presence was noticed by Soviet intelligence, who intercepted communications mentioning several thousands of German military troops on the island – their actual number has been estimated at around 20’000 by May 1945. The war officially ended in Denmark on May 5th, 1945. However, at that time the chain of command and the communication system in the Third Reich had collapsed, and the local German commanders on Bornholm still retained the order to repel the Soviets with any possible means, without permission to surrender. As a result, the Soviets bombed the island twice, severely damaging Rønne and the port town of Nexø, unharmed up to that point, on May 7th and 8th, 1945.

Soviet Occupation

Following the two Soviet bombing raids, a group of six Soviet torpedo boats sailed from Kolberg, Poland (now Kolobrzeg, see this post), landed and reclaimed control of the island of Bornholm on April 9th, 1945. At that time, about 16’000 German troops and refugees were still on the island, trying to flee to the West or to Sweden by any possible means. Reportedly 700 boats of any kind were involved in this desperate evacuation operation, and about 5’000 Germans (military and civilian) had fled by sea just the day before the Soviet landing.

The anti-German resistance movement on Bornholm joined forces with the Soviets, trying to search for trapped German troops and prevent their escape to the West. The airfield in Rønne was captured on May 9th in one of these joint actions – specifically stopping a German aircraft already taxiing for take-off, after some others had already successfully got airborne! These operations went on until May 20th, and due to the very significant number of German troops still on site, they required drafting people in the Soviet-backed group of ‘freedom fighters’, which afterwards remained the only official local para-military group on the island, besides the Red Army (conversely, members of the the original voluntary resistance movement soon returned to their pre-war civilian occupation).

The Soviet presence on Bornholm constituted a potentially explosive problem. The agreement at Yalta between the US, Britain and the USSR in February 1945, months before the actual capitulation of the Third Reich, had defined that Denmark would remain independent, and specifically not within the Soviet-controlled territories in Europe. The British government, at that time still led by Churchill, was extremely worried by the Soviet capture of Bornholm, and after unofficially questioning the Soviets, the answer was even more appalling – according to Soviet diplomats, the island had to stay under Soviet control indefinitely, through the support of a military contingent of 9’000, soon to reach those already on site!

This led to the beginning of a peculiar page in the history of Bornholm, and of the diplomatic relations between the USSR and the West, which would soon get worse on a global scale, leading to the Cold War. Relations between the local Danish government and the Soviets were generally good at an official level, thanks to the skills of the local leading figure on the Danish side, von Stemann. To keep the public eye on this unsolved issue, he managed to organize an official visit of the Crown Princess of Denmark, who met the Soviet top staff on Bornholm. The day-by-day coexistence with the Soviets was less idyllic, with increasing incidents due to the misconduct of the bored Soviet troops stationed on the island, and the growing discontent among the locals. Uncertainty about Soviet plans fostered fear over a possible long-term occupation.

Finally in December 1945, Britain officially questioned the Soviet government about the case of Bornholm, and Molotov answered that the Soviet Union did not intend to have any permanent base in Denmark (as per the Yalta accords), yet the island was to be retained by the USSR as a guarantee, due to the presence of British troops on the Danish mainland.

The Danish government reacted preparing to retake full control of its own territory, correspondingly asking all foreign troops – from any nation – out of its borders. In March 1946 it was announced that the Soviet troops would leave the island of Bornholm, as Denmark prepared to install its own military forces back on it. In good order, the Soviets actually left the island, the last ship departing Rønne on April 5th, 1946.

The Cold War

Denmark joined NATO as a founding member in 1949, the result of the action of the then prime minister Hans Hedtoft, a former member of the resistance in Denmark, who had got a clear insight of the line of action followed by the Soviet Union, at that time still led by Stalin.

The support given by Denmark to NATO was not obvious for that country, since the proximity to the Eastern Bloc – especially Bornholm, geographically located close to the (by then) Soviet-controlled Polish coast – made Denmark extremely vulnerable and militarily untenable in case of a potential Soviet attack. The policy adopted by the Danish government over the decades of the Cold War in support of NATO was sincere but always carefully calibrated, to reduce the risk of Soviet intervention, which would possibly result in an extremely dangerous escalation.

Consequently, no international NATO base nor any nuclear warhead was ever permanently based in Denmark. Yet highly defended coastal strongholds were established, which can still be seen today (see this post).

Bornholm hit the headlines in the early phase of the Cold War, when the first-ever jet-propelled fighter from beyond the Iron Curtain defected to the West. This happened on March 5th, 1953, the very same day of Stalin’s death. The Polish pilot, 21 years old Franciszek Jarecki, had departed Slupsk airbase in northern Poland on a training mission, when he suddenly left his group and flew as fast and low as he could to Rønne, where he safely landed his aircraft, asking for asylum. The aircraft was a MiG-15, and that was the first time this new type of aircraft, which played havoc against propeller-driven machines in the early phase of the Korean War, could be inspected by Western powers.

The case was treated very carefully from a diplomatic standpoint by Denmark, to avoid provoking a violent reaction on the Soviet side. A technical inspection was carried out in a well-coordinated, highly secretive mission set up by the British and the US, ending with the restitution of the reassembled machine to Poland. Finally, the pilot was granted asylum in the US, where he had a remarkable military career (his flight suit from the defection mission ending up in the Smithsonian collection, at Udvar-Hazy Center, close to Dulles airport in Washington, D.C.). This topic is well covered in the excellent book ‘The secret MiGs of Bornholm‘ by Dick van der Aart (see the bookshop section).

Jarecki’s escape was not an isolated case, since in 1953 and 1956 two more Polish fighter pilots successfully landed (or crash-landed) their aircraft on Bornholm (while another made it all the way to Sweden). Then the Soviets had Polish fighter units relocated further south, where Bornholm was out of range, and took over control of the northernmost bases.

Defection to Borhnolm by air on a jet fighter was rare compared to the overall cases of people reaching Bornholm to flee either communist Poland or the GDR, similarly close to the island. For all the years of the Cold War, Bornholm constituted the goal of dozens of escape attempts, some of them successful, carried out mostly by sea.

The location well within the Soviet area of influence was exploited with the construction of a prominent intelligence base by Denmark, to the advantage of NATO forces. This was again in the Dueodde. The base was very effective and was updated to keep up with upgrades in electronic communication technology over the years until the end of the Cold War. It was later kept in service, and shut off only in 2012.

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A visit to Bornholm today will likely be for relaxation and for enjoying this nice country. However, for those with an interest for its peculiar history there are some very interesting collections and rare sites to visit. They allow to retrace in particular the rich military history of the island, without much effort and with great satisfaction for either researchers or the general public. This post covers five of them, four of which are museums. They were all visited in the summer of 2024, and all photographs were taken in that occasion.

Sights

Bornholm’s Defence Museum, Rønne

A good place to start the exploration of the military history of Bornholm, the Defence Museum (Bornholms Forsvarsmuseum in the local idiom) is located to the south of the town center of Rønne, the busiest seaport and the capital city of the island.

The museum is hosted in two old military buildings, including the local kastellet, a massive tower with a round base, built for coastal defense.

The collection is housed in the courtyard and on the two levels of the first building. For the relatively little area it covers, this collection is extremely rich and informative, with panels covering in depth some specific events, offered in multiple languages including English.

On the ground floor, an interesting exhibition on the evolution of the artillery in Bornholm starts with a display of very old cannons – including possibly the oldest preserved exemplars of some types – and insignia dating from the wars against Sweden.

Then more modern exemplars from the 19th century, and reaching to an American type 105 from WWII, employed on Bornholm in the Cold War period, allow to follow the evolution of this type of weapon.

For more curious visitors, little artifacts interspersed between the larger exhibits on display add much value to the collection. Training material for anti-aircraft artillery from the WWII era, including down-scaled fake aircraft targets, as well as various types of grenades and shells employed with the artillery pieces stationed on the island can be found on display between the big guns on the ground floor.

An original German aiming device has been positioned such to be still usable – you can see outside through the optical system. Note the eagle and swastika marking on the label.

A particularly interesting item, not easy to find in a museum, is a complete launching device for the Stinger missile. This type of ground-to-air anti-aircraft missile, albeit rather rudimentary compared to other offensive missile platforms, has turned out very effective in actual war scenarios, especially against slow-moving aircraft or helicopters. The compact launchpad, operable by a single gunner, features two launching tubes. Aiming is via a visor, and the trigger is placed on two pistol-like grips.

Many radio transmitters and receivers, including a sizable console with stacks mostly made in the US (look at the labels and tags!), are on display together with a rare computer, a Compucorp 625 Mark II, a standalone machine which was employed from the late 1970s to run a software for ballistic computations.

On the top floor of the same building, an exhibition covering some specific military episodes from the 19th century serves as an introduction to the rich collection of memorabilia from WWII and the Cold War.

Decorations from the Third Reich, as well as insignia, uniforms and personal everyday items belonging to the Wehrmacht troops, or to some specific people in the German staff living on the island, are on display, in most cases along with explanatory panels telling their peculiar stories.

Unusual items include a table with mottoes in German, an embroidered napkin with emblems from the winning powers of WWII.

As said in the introduction, Bornholm found itself on the trajectory of allied bombers returning from raids on today’s northeastern Germany (including Berlin). In more instances, bombers damaged by flak fire or by German fighter aircraft, hence unable to make their way home, were forced to crash-land on Bornholm. The detailed history of two of these bombers and their corresponding crews is told in a dedicated set of display cases, showing even the track followed by each of the crew members as they tried to flee Bornholm (occupied by the Germans). Some interesting memorabilia items are on display from those episodes, including personal belongings of the crew members, and cash notes in diverse currencies, with their names written on them. These notes were given specifically to crew members, to help them in case of landing in a foreign country in Europe.

From the same era is a perfectly preserved Enigma machine. This is presented together with a detailed story, which could be retraced by war historians in Bornholm. Actually, this specific machine was made in 1937 and largely employed on the Eastern front in the actions against the Soviet Union. When German troops were fleeing the northern coast of Poland and Germany in the last days of the war (May 1945), the machine arrived to Bornholm, where it was little employed, since the chain of command of the German Army had collapsed by that time. The machine was ditched in the water by the surrendering troops, but it was soon to be found, taken to a private house, and largely forgotten afterwards. Finally, it was donated to the museum decades later.

Another unusual display is about the relics of German experimental weapons landing in Bornholm, and the espionage operations related to their find. Due to the proximity with the island of Usedom and the research center of Wehrner von Braun in Peenemünde, launches from the polygon where V-1 and V-2 were being tested could be spotted sometimes from Bornholm. Actually, early exemplars of a Fieseler Fi-103, aka V-1, first stranded on Bornholm in July and August 1943. They were first discovered by two local Danish citizens belonging to the police, who took quick sketches and pictures, and passed them to the British through the anti-German resistance links. These turned out to be the first photographs of that new weapon to reach the western Allies. The two were captured and imprisoned by the German occupants, but eventually they managed to flee to Sweden.

Some relics of the V-1 crashed on Bornholm are on display, as well as memorabilia items belonging to the two Danes who found the relic. The latter include a British decoration presented for their service.

Additionally, interesting pictures show the contrail of a V-2 photographed over Bornholm, and the picture of another V-2 crashed in Sweden!

Further remains from the era include gauges from the cockpit of German fighter aircraft, captured by the Soviets as they were trying to takeoff from Bornholm and escape, and a ribbon from the ill-fated German passenger ship Wilhelm Gustloff. She was sank by a Soviet submarine roughly 60 miles east of Bornholm in January 1945, while enroute to mainland Germany from former possessions of the Third Reich in nowadays Poland, lost to the advancing Red Army. Losses are estimated in the range of 10’000, making this largely forgotten episode by far the worst-ever naval disaster in history.

Another rich section documents the presence of the Soviets on the island. Artifacts on display range from flags and direction signs for the stationing troops, written in Russian, to many personal items left behind by the Soviets.

Typical propaganda posters are on display as well, similar to more official and non-public items, like transcripts of communications between the local Danish and Soviet commanders from the age of the Soviet occupation of Bornholm in 1945-46.

Many evocative pictures are on display from that time as well, and similarly from the Cold War. Among them, pictures of the Polish MiGs landed on Bornholm, of the many ELINT and COMINT centers put on Bornholm during the decades of the Cold War (including the tower in Nexø, see here), and copy of the Soviet attack plan in case of war against NATO.

A final chapter documented in this nice museum is the service of the Danish Armed Forces within the UN in Cyprus. Tasked with border surveillance between the two regions on the island, Danish forces were involved in action – with some casualties – at the time of the Turkish attack in 1970. They only left the island in the early 1990s.

The kastellet is today mostly empty, and once inside, it is possible to appreciate the original architecture of this bastion, which saw action against the many attempts by foreign attackers to land on Bornholm.

On the outside and in a small depot on the side of the inner courtyard, further items are on display. Propellers from the WWII aircraft crashed in the area represent both the German Luftwaffe (Do-17 bomber) and the Western Allies (B-24 and Halifax bombers).

A Chaffee-type small tank and two armored vehicles are on display, together with naval guns, radar antennas, land robots and artillery aiming gear.

A peculiar sight is one of the observation turrets originally scattered on the territory of the island, for spotting aircraft or other flying stuff and promptly report it.

On display are also sea mines, sonobuoys, radar scopes and parts of torpedoes, some of them interesting Soviet models, likely recovered from the Baltic Sea during the Cold War.

Ahead of the entrance to the museum, a memorial stone has been put more recently by an association of veterans.

Getting there and visiting

The museum is located close to Rønne downtown, from where it can be reached with a short walk (about .3 miles south from the central touristic area). The address is Arsenalvej 8 – 3700 Rønne. There is a little parking area on site. The museum is professionally run, and it has its own dedicated website here (also available in English).

Visiting is strongly recommended as a first stop for an exploration of the military history of Bornholm. For war buffs, WWII and Cold War historians, this place has much in store, and a visit may easily take 2 hours. Less is required for a more basic visit, made easy also by the compactness of the display.

Bornholm’s Museum, Rønne

Bornholm’s Museum is the main facility dedicated to the history of the island. Located in a former hospital, you can immediately notice the presence of a bombing raid shelter in the courtyard. This is an original relic from WWII.

The museum takes all floors of a small building, and it is dedicated to the history of the island in all its aspects, and with artifacts from all ages, including Roman coins and viking accessories.

Of particular interest from the time of the vikings is a collection of golden plates. They are smaller than a human fingernail, and decorated with human figures and other subjects. Plus, they are really many! They are of special interest also due to the fact that nobody knows what they are. Archaeologists found them mostly on Bornholm, and in a much lower quantity elsewhere in Scandinavia.

Fast forward to the 20th century, the museum has on display interesting memorabilia from WWII and from the era of the Soviet occupation.

Among them are original decorations, documents and photographs, from both the German and Soviet sides.

From the early Cold War period, a small piece from Jarecki’s MiG-15 is preserved in a display case, with a picture of President Eisenhower receiving at the White House the first pilot defecting from Eastern Europe (apparently, a young John F. Kennedy appears to stand behind them).

Shop signs and indication signs in Russian, the original working desk of the Danish governor of the island at the time of the Soviet occupation, and everyday working tools belonging to the Soviet staff are among the displays in this museum.

A – perhaps – non-permanent exhibition is dedicated to the Soviets on the island, including the two air bombing raids they carried out in the closing days of WWII, which caused much destruction.

An interesting exhibition on the Cold War in Bornholm examines it from different perspectives. Among them, it is shown how preparations for a nuclear attack included the institution of a civil defense system, similar to most western Countries.

Similarly, the conspicuous wave of defections, of both military staff and civilians, from beyond the Iron Curtain to Bornholm is fully documented. Being located relatively close to the GDR and Poland, Bornholm was a natural target destination for those trying to leave the Baltic coast by sea. On display are documents of seamen asking for asylum, as well as a small dinghy employed for a successful escape attempt. A rather impressive full list of the successful and unsuccessful escape attempts towards Bornholm from the communist world is provided.

In another part of the museum, dedicated to everyday items and business activities, it is possible to find toys and other common tools from the Cold War era, as well as beautiful models of several vessels in service at that time – as well as today.

Getting there and visiting

The museum is one of the major attractions in Rønne, the capital city of the island. It is located within the perimeter of the historical center of the town, and you will be probably visiting it if you are interested in any aspect of the history of Bornholm. The address is Sankt Mortens Gade 29 – 3700 Rønne.

For those with an interest for the military history of the 20th century, the collection of this museum makes for a nice complement to that to be found in the Defence Museum (see above).

For a complete visit, 1 to 2 hours are likely enough. Less than 1 hour is needed if you are mostly interested to the WWII and Cold War part, including the nice exhibition on the Soviet presence.

The museum has regular opening times and a fully documented website here (also available in English).

Bornholm’s Tower, Nexø

The tower is an authentic relic from the Cold War. The intelligence site in Dueodde (close to the major town of Nexø, itself close to the southeastern corner of Bornholm) was originally established in 1958, in the facilities of an old lighthouse from 1876, which is still standing besides the new tower.

The task was that of intercepting communications from Soviet channels, primarily to the aim of knowing of any potentially offensive maneuver against Denmark or NATO in advance. The geographical location of Bornholm made it ideal for installing such a plant, since this territory is significantly farther east than the Danish mainland, hence closer to the Eastern Bloc and the Soviet Union.

Soon after the take over of the lighthouse by the Danish intelligence and the installation of the first technical gear, continuous improvement started around that facility, leading to the construction of a dedicated tower, which stood until the mid 1980s, and was extensively employed for gathering useful intelligence. Among the most notable information obtained in favor of NATO forces were the reports witnessing the preparation of an attack by the Warsaw Pact forces on Czechoslovakia, at the time of Dubcek’s attempted reformation of the communist system in 1968 – an invasion which eventually took place, tragically putting an end to a new political course in that Country.

The relevance of the site in Dueodde in the panorama of NATO intelligence is further shown by the decision to substantially upgrade the technical installation, demolishing the existing infrastructure and building anew a more modern and massive tower in 1986.

The new tower was operated continuously until 2012, when the installation was finally shut down, and the facility was partly demolished and sold. It is since then privately owned, and it has now reopened for visitors.

A visit allows to explore the foundations of the tower, where cables and pipelines – including compressed air and coolant fluid – can still be seen. Compressed air was employed for keeping in shape the special ‘shells’ where the technical stuff used to be put.

These shells were arranged hanging vertically from the concrete tower, which is the only part remaining today (the shells are gone, you can see two of the original platforms in the courtyard, close to the original cooling station). Coolant fluid was employed for the big servers which hosted and processed data. A wind monitoring cabinet – made in USA – can be found at the ground level of the tower.

By taking the original elevator, it is possible to climb to the top, where the view ranges in all directions, and allows to see the beautiful white dunes for which this area is mostly famous.

Inside the facility, mostly empty today, it is possible to see some remnants of the server rooms. Most of the empty rooms have been employed for a display of electronic cabinets and communication gear. A reconstruction of some of original technical rooms has been attempted, and the display is completed with historical pictures of the site.

Server rooms are among the preserved original parts of the tower.

Further rooms host displays related at large to WWII and the Cold War.

An interesting addition to the visit is an original MiG-15, presented in the colors of the Polish Air Force, and resembling those which fled from Poland to Bornholm, at the commands of brave early Cold War defectors. Photographs and copies of newspapers documenting those episodes are on display.

Interestingly, what appears to be a control surface or the part of a wing of an authentic Soviet aircraft can be seen on the side of the display, likely only provisionally.

Scattered along the walls in the exhibition are original pictures, with close-ups of intercepted aircraft from the Soviet bloc.

Getting there and visiting

The tower (Bornholmertarnet in the local idiom) is located close to the white dunes of the strand of Dueodde, on the very southeastern tip of the island, about 4 miles south of the major town of Nexø. The exact formal address is Strandmarksvejen 2 – 3730 Nexø. Large parking on site.

Visiting may take about 1 hour for the interested visitor. The tower can be climbed to the top with an elevator. Visiting the facility and exhibitions does not take much, since most rooms are basically empty.

The official website of this installation is here (multiple translations available).

Bornholm’s Technical Collection, Allinge

This incredible museum has been constituted through the merge of several private collections. In most cases they are very specialized selections of technical items. These range from tractors to airport vehicles, from pocket lighters to radios, from personal computers to naval radar scopes, and much more!

Besides well-stuffed collections, which strike for their size and range, there are also some specialties, like unusual items – typically relics or one-of-a-kind exemplars. Especially the latter include some items from the Cold War chapter of the history of Bornholm.

Actually, possibly the biggest item on display is a SAAB Draken aircraft. This excellent Swedish-made attack aircraft used to fly in the colors of the Danish Air Force (see this post). The exemplar on display comes with some of the accessories, including wing pods, the parachute for brake assistance, etc.

Close by the Draken, it is possible to find several aviation-related displays, like jet engines, optical gear, radar-receiving consoles. There is also the map of the scenic flights offered from an airport which does not exist any more, and which used to be close to the northern coast of the island (the only airport is today that in Rønne).

One of the jet engines looks like an evidence from an aircraft accident, involving a Learjet business jet crash-landed on Bornholm.

Not far from the Draken, another rare aircraft on display is a SAI KZIII, designed and manufactured in Denmark in 1946.

Further finds in the museum are a stop light, which was employed for stopping road traffic on local roads close to the runway, when an aircraft in need of a shallow approach path was landing in Rønne, and the doors originally in an airport building, with stickers of flight associations from all over the world.

A military trailer with radio communication gear is on display, as well as an old truck, which happens to be the very same truck seen boarded by young Soviet soldiers, at the time of the Soviet occupation of Bornholm!

A little collection is made of GDR-made items.

A small room is dedicated to marine detection gear and the corresponding scopes.

Bulky elements on display include a one-of-a-kind locally assembled truck, a monster roadworks machine made in the Third Reich and which never returned to Germany, and trucks for removing snow from the road. They have two engines, one moving the truck, the other moving the spool. The arrangement is rather involved, with an articulated (angled!) shaft carrying mechanical power from the engine to the spool.

Airport gear includes a SAAB car with a runway friction tester in the back, and a truck for spreading anti-ice fluid.

Other rich hi-tech collections include one with radio receivers, another with cameras and video-recorders.

Even one centered on personal computer consoles can be found.

The collection of tractors on display is really impressive, with machines coming from diverse nations and makers.

Other parts of the museum are basically old shops moved in, and in some cases with fully working machinery (like the blacksmith).

The list of collections is really huge! There is surely something for everybody on display.

Getting there and visiting

The museum can be found in the countryside, on the road 159 connecting Rønne to Allinge-Sandvig, one of the biggest settlements on the northern coast, about 1.5 miles from the latter. The exact address is Borrelyngvej 48, 3770 Allinge-Sandvig. Large parking on the premises.

The museum is very peculiar, it features rich collections and it is run by knowledgeable people who are willing to provide descriptions and information also in English. A visit may appeal to everybody including children, and not only to war historians. However, it is duly listed here especially for the war- and aviation-related collections in it. A visit to the entire museum may easily take about 2 hours, especially when talking with the locals. Much less is needed for a quick look at just some parts of it.

The website can be found here.

Soviet War Cemetery, Allinge-Sandvig

Even though Stalin’s USSR finally withdrew from the occupied territory of Bornholm, the conquer of the island by the Soviets in 1945-46 meant the construction of a Soviet war cemetery, similar to those to be found scattered on the territory of the former countries of the Eastern bloc.

A very unassuming and rather intimate monument was inaugurated close to the local Danish graveyard in Allinge-Sandvig. By agreement with the local government, the cemetery is still maintained today.

A central obelisk, with prominent emblems and writings in both Russian and Danish, is placed ahead of a large memorial stone, with the names of fallen Soviet soldiers on it.

Getting there and visiting

The cemetery can be conveniently reached uphill of the village of Allinge-Sandvig. The exact address is Pilegade 18A, 3770 Allinge-Sandvig. Parking is possible on the road in the immediate vicinity of the cemetery. The site is open-air and not fenced, therefore it can be accessed 24/7. Visiting may take 15 minutes.

German coastal gun site, Dueodde

The coastal guns in Dueodde, close to the southeastern corner of the island and the Cold War tower (see above), are not open as a museum, yet they are fairly easily accessible to the general public. They are the most sizable remains of the planned installation for four 38 cm coastal guns, part of the ambitious coastal defense program of the Third Reich known as Atlantic Wall. This particular fortress became pointless after the break-out of hostilities between Hitler’s Germany and the USSR in 1941, since the line of the front shifted significantly towards the east, far away from Bornholm. Since construction works were correspondingly halted, only the unfinished emplacements of two of the cannons remain today, respectively Nr.3 and Nr.4.

The emplacement Nr.3 is easily accessible from the road. You can see the large round base prepared for the revolving gun. The central pinion is still there (note the big diameter of the metal screws, compared with the cover of my wide lens!).

The circular corridor for moving the shells and taking them to the gun can be easily walked.

The construction to the north was planned to shelter the troops manning the station, as well as with a technical part for storing the shells and the explosive cartridges. Many rooms can be accessed – albeit a torchlight is mandatory in this area. However, they are completely empty, and there is nothing more than bare concrete.

The second site, Nr.4, is more secluded within a group of private homes. However, it can be accessed fairly easily by walking. It is basically a twin of the other emplacement, and the state of conservation (including, unfortunately, tons of stupid graffiti) is the same.

Getting there and moving around

The two emplacements are geographically extremely close to the Cold War tower described above. It is possible to park at the tower, in the large parking areas closer to the white dunes strand, or along the road in proximity to these installations.

The coordinates for parking and getting a quick access are for Nr.3: 55.00058432993301, 15.080803777073971, and for Nr.4: 55.00255210231893, 15.084640862385443.

Both sites are not fenced and accessible 24/7. Visiting may take 15 minutes for each of the emplacements – the condition is unfortunately not ideal, with many graffiti likely such to spoil your pictures.

The Wollenberg Bunker – Linking East Germany and the USSR

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The events taking place on the geopolitical stage during the last decade of the Cold War – the 1980s – gave little indication of the imminent collapse of the Soviet-led Eastern Bloc (1989-1991). Correspondingly, looking at the amount of technology developed and deployed in the military field during the late, hi-tech stage of the Cold War, it is easy to notice that opponents on both sides of the Iron Curtain dedicated a significant (and even increasing) budget in preparation for a possible total confrontation. Reading papers and specialized books from the time, the outbreak of an open conflict, such to put a violent and abrupt end to years of opposition between the two opposing systems by recurring to nuclear warfare over the territories of Western Europe (most of them belonging to the NATO alliance, and all being substantially more militarized than today), was not deemed just likely, but more as a matter of time.

The БАРС system – The tropospheric network of the Warsaw Pact

In that era of extreme tension, it is not surprising that one of the most sophisticated and expensive assets developed and deployed jointly by all Nations in the Warsaw Pact, of course led by the USSR, came alive. History would cut its life short though, and as soon as the Warsaw Pact disintegrated, as a result of the opt-out from communist dictatorship of all Countries in Eastern Europe, this asset was decommissioned. This system was the tropospheric communication system ‘БАРС’, a Russian word reading ‘BARS’ and meaning ‘snow leopard’. The name stands as an acronym for four words in Russian, which translate into something like ‘Sheltered autonomous radio communication system’.

The idea put forward by the Soviet top-ranking military staff in the early 1980s (prior to the onset of Gorbachev administration) was that of a system capable of transmitting complex orders (not just simple signals, like for opening a bunker door or silo, but articulated messages) in a safe encrypted way, at a long distance and minimizing the chance of a complete breakdown even in case of an enemy nuclear attack. Despite being not new, the concept of a resilient and reliable system, such to allow exchanging significant amount of data without relying on cables, had been tested in earlier stages of the Cold War only for short-radius operations. Mobile transmitters/receivers, loaded on purpose-designed trucks, allowed for a reduction of the risk of a direct hit from an attacker, and for a quick redeployment in case of need. However, for the amount of data and range required for the coordination of a war scenario, involving many different Countries, and geographically encompassing an entire continent, a different system was required, capable of transmitting more massive data flows on longer distances, with a reduced risk of a sudden or complete interruption.

The БАРС system was based on a certain number of stations, scattered over the territory of the Countries of the Warsaw Pact. Each node was built as a bunkerized, manned military installation, featuring high-power, high-frequency fixed antennas emerging from the ground, and an underground shelter protecting all the technical gear required for manipulating the data to be sent or received, interfacing with the other existing local (i.e. national) networks for military and executive governmental communication, and of course managing the tremendous amount of energy required to pump a long-reaching signal into the ether.

Laying on the front line with the West, hosting a Soviet contingent of some hundred thousands troops (see here and links therein), aircraft (see here), missiles (see here) and nuclear warheads (see here), and being a key-ally of the USSR in case of the outbreak of an open war (at least until late 1989), the German Democratic Republic (or GDR, or DDR in German) was clearly included in the БАРС network from the initial drafting phase. Similarly, Poland, Czechoslovakia, Hungary and Bulgaria, and of course the Soviet Union (which included Belarus and the Baltics, and stretched west to Kaliningrad), all had БАРС stations on their territory. Stations were located at a range of a few hundred miles from one another, thus within the range required for each of them to communicate with one or more of the other nodes. Data (e.g. orders, reports or authorizations) input locally could be relayed along the network through intermediate nodes, down to the intended destination node. There were 26 nodes in total, of which four were in the USSR.

The Wollenberg site – Bunker 301 ‘Tushurka’

The GDR in particular had three stations built, all along the border with Poland, and located east of Berlin – namely Station 301 in Wollenberg, at the same latitude of Berlin, Station 302 in Langsdorf, towards the Baltic coast, and Station 303 in Röhrsdorf (near Königsbruck), not far from Dresden in the southeast of the GDR territory. The first among them, the Wollenberg site (codenamed ‘Tushurka’) could communicate with the other two national stations, as well as with Station 207 in Poland, from where data would be transmitted further down the network, towards the USSR.

The site was built by the GDR state, with technical hardware coming from several Countries within the Warsaw Pact, and most of the military hi-tech components manufactured in the USSR. The actual site (similar to its sister sites) was built in the frame of a highly secretive operation. The staff comprised about 60-70 men, the majority of which were military, where about 15% were civil technicians. Maximum security clearance was required, due to the top-secret nature of the installation and of the overall БАРС system. The bunkerized part of the installation was only a component of the larger premises of the base, camouflaged within the trees on the side of low-rising hill.

As pointed out, the immense spending required for setting up this multi-national hi-tech military communication system, which was extensively tested and completely commissioned (as a network) by 1987, did not save it from a quick demise and disappearance. In particular, Station 301 went definitively offline as early as August 1990.

However, the fate of the Wollenberg site was not so sad as that of many former Soviet or NVA (i.e. the East German Army) installations in the GDR. The high-power antennas were torn down, but except from that, little material damage was inflicted to the buildings and bunker on site. The place was basically shut-off and left dormant, until when a society of technically very competent local enthusiasts started a plan to preserve and open it to visitors, as a memorial specimen of the technology of the Cold War years.

A visit to the Wollenberg bunker site reveals a tremendous deal of interesting details, very uncommon to find elsewhere in the panorama of Cold War relics around Europe. Thanks to a careful preservation and restoration work, the bunker has most of its original systems still plugged to the grid and lit-up – some of them are reportedly still working! Even though the communication networks have been severed, the experience in the bunker is really evoking, and the atmosphere – with all the lit-up cabinets, lights, CCTV cameras, 1980-style screens, etc. – closely resembles that of the bygone era when БАРС was operative!

This report and photographs were taken during a private visit to the bunker, carried out in the Summer of 2023.

Sights

A visit to the the installation in Wollenberg starts from the original high-security access gate. As you may quickly notice when passing through it and getting a first view of the site, the state of preservation is exceptional. Except for the lack of military staff around, everything looks mostly like in the years of operation.

A group of soft-construction service buildings and a reinforced multi-entry garage constitute the first – and visible – nucleus of the installation. All buildings are painted in a camo coat.

A former building for the on-site staff has been turned into a permanent exhibition, with memorabilia items from the Cold War years, when the Nationale Volksarmee (or NVA, the Armed forces of the GDR) cooperated with the Soviet Red Army and the national Armed forces of other Countries in the Warsaw Pact.

A meeting room, now employed also for small gatherings, is especially rich of interesting and diverse items, including emblems, books, memorial plates and pennants, as well as TV screens, hi-fi systems and and beamers from the era.

Another room has been set-up as a control center for the base, with an original console and regional maps.

Compared to military bases (for aircraft or tanks), the Wollenberg installation is rather compact, with a main road giving access to most of the (not many) buildings on site, as well as the bunker. Actually, the bunkerized part was built under a low-rising hill, with the antennas originally standing on top of it. Access to the bunker is possible either by climbing uphill on the main road, or through a suggestive original pedestrian tunnel. The latter starts from within the service building itself, and – somewhat unexpectedly, for an underground installation – it climbs uphill, while keeping beneath the surface of the hill side slope. The lower end is guarded by an original CCTV camera.

At the top end of the tunnel you can find the actual access to the bunker. The design and reinforcement level conferred grade ‘D’ protection according to the military standard in use at the time, with grade ‘A’ being the strongest. Access is through an airlock, constituted by two tight doors at the opposite ends of a small vestibule built in concrete. This design allowed protection from the blast of a nuclear device.

Notably, the locking mechanism of the tight doors is Soviet military standard, which can be found in high-value installations like nuclear depots elsewhere in the Eastern Bloc (see for instance here in Poland, and here in Czechoslovakia).

To the visitor with some experience of Cold War installations, it will be apparent from the very start of the tour that the state of conservation of the bunker, including the systems in it, is exceptional, similar to the rest of the Wollenberg site. The original warning lights and the CC-TV camera for identifying people at the entrance are still in place.

Next to the entrance, a control room with technical gear for checking-in can be found – including original dosimeters for radiation and chemicals, mostly Soviet-made. Looking inside these devices is possible, and reveals a great deal of sophistication in the design and realization of the military-grade material from the time.

Showers and sinks for washing, as well as canister for disposing of contaminated clothes, are located in the same area.

Upon getting access to the sealed area of the bunker and passing by the decontamination facility, you find yourself on the top floor of the underground bunker. The high-technology gear required for the transmission/reception of data on the БАРС network, as well as the interface with other national communication systems, required for receiving data, issuing orders, etc. over the territory of the GDR, were located on this floor.

Two symmetrically placed rooms host two twin transmission centers for the БАРС system. A single manned console can be found in each of them, surrounded by electronic cabinets and switches. At a closer look, all the material herein is Soviet made, and labeled in Russian only.

On the wall ahead of the console station is a set of cables, communicating with the antenna and allowing to set the orientation and monitoring its status.

The actual signals transmitted to the antenna, or received from it, traveled along special hollow ducts, with an almost rectangular section. Bundles of these ducts can be found in the ‘Sender’ (which means ‘transmitter’ in English) room, immediately next to the room where the manned console is.

The modulation and demodulation of the signals going out and coming in respectively through the antenna on top of the bunker required some special pieces of electronics, which included the Soviet-designed KY-374 klystron (codenamed ‘Viola’), a component to be found in the cabinets of the ‘Sender’ room.

Following the hollow ducts, it is possible to find where they finally exit the usually manned part of the bunker, bending into receptacles and leading outside. Piping related to other systems, including air conditioning, can be seen as well crossing or running in the same narrow technical corridors.

Beside the consoles monitoring the antenna and the data flowing through it, a kind of operative room for communication can be found, where consoles allowing to receive and forward data and communication to/from all systems are on display. This largely original room features consoles of different levels of technology.

Original explanatory schemes showing the basic features of the БАРС system are on display in that area – in Russian!

An adjoining room features the cabinets required for making all these system work. The cabinets are really many, with a significant share of material manufactured in the USSR. The sight of all these cabinets together is really impressive, and tangibly provides the feeling of a high technology, sophisticated and expensive design. It compares well, but in a largely up-scaled fashion, to the electronics to be found in some special communication bunkers on the western side of the Iron Curtain (see here).

Interspersed with the original arrangement of the cabinets and consoles are some displays of original material. These include specimens of different types of cables for signal transmission – some of them hollow and pressurized, others featuring impressive bundles of thinner wires – the KY-374 klystron, and other once top-secret core components of the БАРС transmission system. Also on display is one of the few remaining parts of the original system of antennas, once on top of the bunker. The antennas were the only part to be physically torn down when the system was decommissioned, upon the demise of the Warsaw Pact and the end of the Cold War.

The bunker was manned by military and technical staff 24/7. Furthermore, as typical for bunkers from the Cold War era, provision was made at a design level to allow the staff to live isolated within the bunker for an extended period of time, in view of the eventuality to face a nuclear fallout scenario.

On the same floor as the technical rooms, the commander of the station had his own private room. This is still adorned with typical Soviet iconography, as well as everyday material from the age when the bunker was operative.

A small canteen, with a kitchen and a modest living room, can be found at the same level. An original storage room has been employed to gather examples of everyday products, like soap, skin care cream, etc., as well as canned food, cocoa, and beverages of all sorts.

This represents a very rich catalog of now largely defunct and forgotten labels, from the age and regions of the Eastern Bloc (and especially from within the GDR). Also on display are bottles of spirits, likely still very good!

The visit proceeds then to the lower floor, which can be reached through a flight of metal stairs.

The lower floor host the plants required for the regular operation of the entire bunker, such to guarantee operational ability even in case of an enemy attack carried out with nuclear, chemical or biological warfare. The air filtering and conditioning system is very modern. Beside typical filtering drums for particles, to be found also in other bunkers (see for instance Podborsko here), you can see a bulky filtering and climate conditioning system, neatly arranged within two parallel square-shaped ducts. Filtering against chemicals as well as biologic agents was carried out employing special active filters.

Sensors for the level of contamination of the bunker air can be found in different rooms. Much material here is standard Soviet-made.

Systems for water pumping and compressed air can be found as well, including compressors, pumps and reservoirs. Looking at the always interesting factory labels in this area, it is easy to find export products of Bulgaria, Romania and other communist dictatorships of the era. Of course, much hardware is also manufactured in the GDR.

Electricity was supplied from the outside grid, yet capability for self-sustaining in case of a grid loss (for instance in case of war) was implemented as well. Three big German-made Diesel generators have been put in place, and are still in an apparently good condition.

Another example of the high technological standard reached in the late Cold War era is represented by the control room for the plants within the bunker. A manned control station, with a console and a direct view of lit-up cabinets, reporting the status of the various systems running in the bunker, compares well with control rooms of large industrial plants in operation today.

Carefully kept in its original status, with many of the electric links and cabinets still working, the sight of this room is especially evoking.

Also on the lower floor are the sleeping rooms for off-duty staff. Typically, this was not employed except for drills, when the bunker could be sealed to simulate operations in case of the outbreak of hostilities.

Back to the upper floor, it is possible to exit the bunker via a stairway and through a side gate. You will find yourself on top of the low-rise hill where the bunker has been dug. Here the concrete base of the crane where the БАРС antenna used to sit are still visible. Notably, these antennas were much smaller than the tropospheric antennas employed for the TROPOSCATTER system of NATO. This was the result of a different bandwidth employed for transmissions. Therefore, even in the days of operation, the antennas on top of the bunker were not as sizable as those of TROPOSCATTER installations (which were enormous in size).

Looking closely, in the top area of the installation, the duct for supplying the Diesel oil tank of the bunker can be found, similar to sensors for radiation and other atmospheric parameters (similar to what can be found also in other nuclear-proof bases, for instance here). These allowed to monitor the conditions of the outside air, detect an attack and trigger or manage the sealing of the bunker in case of need, by locking all the tight doors.

This access to the bunker is fenced by the original electrified fence, severing this area from the rest of the installation through a further layer of security.

All in all, a visit to the Wollenberg bunker offers an incredible insight in a fascinating and crucial field of warfare – data and communication exchange – as well as a lively and evocative display of a late Cold War hi-tech installation from the Soviet side of the Iron Curtain!

Getting there & Visiting

The German name of the Wollenberg bunker is ‘Militärhistorisches Sonderobjekt 301 Wollenberg’. It can be reached very easily with a car. It can be found in the open countryside along the regional road 158, driving about 35 miles (about 1 hour) northeast from downtown Berlin towards Poland. The exact location is between the small village of Höhenland (~4 miles) and the more sizable Bad Freienwalde (~6 miles). There is a large parking area immediately next to the road, giving direct pedestrian access to the premises of the former military installation. Despite being placed very conveniently, the site is rather elusive when passing by, since it is hidden in the trees and not directly visible from the road. The address corresponding to the place in Google Maps is Sternkrug 4, 16259 Höhenland. The inconspicuous village of Wollenberg, giving the name to the installation, is just nearby, but it is not crossed by the regional road, and it should not be employed for pointing this destination with a nav.

The Wollenberg bunker is a listed historical installation. It is perfectly maintained, privately managed, and it can be regularly accessed with guided tours. These are offered typically one day per week in the summer, or by prior arrangement. Possibly the best option for getting the most out of your visit is getting in contact with the group of very knowledgeable enthusiasts running the place. The official website is here (do not be discouraged by the ‘static’ appearance of the website, they are very active, and they shall typically answer your inquire).

My visit was planned by initiative of Dr. Reiner Helling (see also here), and we visited in a group of three, including the guide (Dr. Michael Schoeneck, a former engineer, with a profound knowledge of any technical aspects related to this installation), which happened to be a perfect option for touring also the narrowest receptacles of the bunker. Visiting in groups too big may be not advisable, since the rooms and corridors are rather narrow, and the place may turn overcrowded for interacting with the guide and for taking good pictures. I think the visit – including the technical content – may be tailored to the needs of the audience. For technical-minded subjects, historians and former military, a visit may take about 2-3 hours (the latter was my experience). In my case, the guide could understand but not speak fluent English, yet Dr. Helling could translate with ease all the explanations. Of course, if you have at least a basic knowledge of German and of the technical material you are looking at, this may simplify your visit, which is in any case highly advisable for those interested in military technology and the Cold War.

Heading to Berlin or the former GDR? Looking for traces of the Cold War open for a visit?

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Preserved Cold War Bunkers in Northern England

The central role taken by Britain in WWII, firstly containing and then countering the expansion of the Third Reich, is duly and proudly celebrated all around the Country, with memorials and thematic exhibitions, often hosted in historical locations, regularly open for a visit.

The United Kingdom joined NATO as a founding member in 1949, and had already been at the forefront of a European anti-Soviet alliance with France since 1947. The strategic political and military ties with the US, pivotal in putting and end to WWII in Europe, were kept over the following decades, against the menace constituted by the Eastern Bloc. Thanks to its geographical position, and bolstering a nuclear arsenal, strategic bombers and submarines of its own, Britain was a major player of the Cold War.

Despite that, the Cold War left behind comparatively less memories than WWII, with only a handful installations open to the public, and somewhat out of the spotlight. In this regard, this reflects an attitude generally widespread in Europe towards the traces of the second half of the 20th century.

However, for people with an interest in the Cold War age, and more in general for those with a thing for (especially nuclear) warfare technology, there are two really unmissable sights in Northern England, which make for a vivid hands-on experience of the ‘era of Soviet threat’.

One is the Hack Green Secret Nuclear Bunker, with a fascinating history starting in WWII and spanning the entire duration of the Cold War. Here one of the finest collections of nuclear-war-related material in Europe can be found, together with much additional material from the era, in a largely preserved historical site.

Another is the York Cold War Bunker, built in the Cold War age to provide protection to the staff of the Royal Observation Corps (ROC) in case of a nuclear attack, as well as the ability to help coordinating fundamental public functions – health, transportation, food and energy supply, etc. – in a post-attack nuclear fallout scenario.

Both sites are regularly open for a visit, and provide a vivid testimony of civil and military plans and facilities seriously prepared in England for a nuclear apocalypse scenario.

Sights

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Hack Green Secret Nuclear Bunker

The Hack Green site is located deep in the Cheshire countryside, about one hour driving south of Manchester. Actually, it is in a really secluded location, far from any sizable urban center, and away from major roads. Even today, when this facility is working as a top-level museum, some attention to the signs is needed to reach the site.

Once by the gate, you are immediately driven back in time by the appearance of the tall military-style external fence with official government signs, and by the blunt and in impenetrable appearance of the big concrete bunker – what you see is only the part above ground level! – with a big antenna protruding from the top. Nearby, you can see an apparently still off-limits area, with a now-dead radar antenna and an old Jet Provost trainer in RAF colors.

History

The history of the Hack Green site dates to as back as WWII, when it was established as one of the 12 most developed Ground Controlled Intercept (GCI) centers, out of 21 total nodes in Britain. Essentially based on the airspace scanning radar plants available at the time, the so-constituted ‘Chain Home’ surveillance system was operated by the RAF, and intended to track intruding German aircraft, thus directing air force planes against them. Radar aerials appeared on site at the time, suitable against relatively slow moving propeller-driven aircraft of those years.

With the start of the Cold War, and the need to reconfigure the defense against the USSR and Warsaw Pact forces operating with jet-powered aircraft of increasing speed, several modernization plans were started in Britain, aimed at implementing more effective detection and threat-countering radar technology, like ‘Green Garlic’, and later ROTOR. The latter called for the institution of a chain of detection nodes, not much dissimilar in concept from the older ‘Chain Home’ of WWII, but much more articulated, efficient and technologically advanced. At the time one of the most expensive government-funded operations ever, 66 installations were implemented all over Britain within ROTOR before the mid 1950s, with different roles in the network. The bunker you see today on the Hack Green site was one of them.

Keeping up with the fast-developing offensive technology of the 1950s and 1960s required a continuous update of the defensive network, in particular asking for the addition of intercontinental missiles to the enemy arsenal to counter. The US-led ‘Ballistic Missile Early Warning System’ (BMEWS) included 12 early-warning radar stations around the Atlantic, including a single station in the UK (RAF Fylingdales, Yorkshire, still in operation today). Before BMEWS went operational (early 1960s), triggering a re-organization of all other defense radar systems by the time obsolete, Hack Green took an interim role as one of only 4 radar stations operated by the RAF monitoring all military and civilian traffic through the British airspace, coping with new fast jetliners. The name of the Hack Green radar site in that stage was ‘Mersey Radar North’. Finally, in 1966 the RAF released the site to the government, which put it in mothballed status.

It was in 1976 that a new life began for Hack Green. Starting in 1958, the Home Office invested much in the preparation of an emergency structure, capable of keeping of managing a post-nuclear attack scenario, and keeping the basic public functions active. In the event of a total nuclear war, a failure of the national hierarchy and military chain of command was forecast, as a result of an extensive damage to the infrastructures and communication systems. In order to recover as fast as possible in such an emergency, the UK would split in 11 regions, each with a regional seat of government (RSG). In the region, a civil Regional Commissioner would take a leading administrative role, and would be responsible for coordinating disaster recovery operations, like supplying medical resources, food, water, and reconstructing infrastructures, while waiting for the national government to reactivate its functions. The Commissioner would be aided by the UK Warning and Monitoring Organization (UKWMO), which took over the function and organization of the older Royal Observation Corps (ROC) established during WWII. This structure was further potentiated in the 1960s and 1970s, also introducing a similar regional scheme for the military in case of a nuclear attack.

The seat of the RSG was in the Regional Government Head Quarters (RGHQ). Following some years when it was hosted in Preston, then in Southport, north of Liverpool, the RGHQ for the 10th region (then 10:2, following a split in two halves of this large region) found its home in Hack Green. The former radar facility was potentiated enormously, and set up with the ability to host 160 civil and military staff for 3 months without resupply in case of a nuclear attack on the UK.

Within the framework of the emergency plan for a nuclear attack, the RGHQs all over the UK went on operating until the demise of the USSR in December 1991, to be soon deactivated over the following years. Hack Green was scrapped of all content, and put up for sale in 1993. It was privately acquired in the mid-1990s, and carefully restored in some parts, or being stocked with interesting material from the Cold War era in some of the many rooms.

A tour of the bunker

Access to the bunker is via a concrete slide, and through a metal gate. Originally the male civil servants dorm, the first room you meet is now a kind of storage for items recently incorporated in the collection. These include a jeep, a model of an Avro Shackleton, and interestingly a nuclear warhead. The original system to activate the rooftop antenna is in a cabinet along a sidewall.

The ticket office and canteen are now in the original canteen area of the Hack Green site. Restored to a 1960s appearance, parts of the kitchen furniture are original from the site. Along the sidewalls are several memorabilia items, including some original Soviet emblems, not unusual today in museums on the other side of the Iron Curtain (see for instance here), but hard to find in the UK.

An adjoining room reproduces the environment where the ROC would have worked in case of a drill or real nuclear attack. Among their function was the pinpointing of nuclear explosions. The forecast and monitoring of the fallout is strongly bound to the local weather and winds. This was kept under surveillance through reporting stations scattered on the UK territory (more than 1 thousand), which transmitted information to Hack Green and other RGHQ and UKWMO bunkers (see the York bunker later in this post). They could then coordinate recovery operations, avoiding extreme exposure to radiation of the emergency staff.

Monitoring was through dedicated sensors, and communication through specific transmission gear. Two display cases in the same room feature interesting instruments, training documents, and memorabilia items from the rich history of the ROC, documenting also their activities in WWII.

Ground floor

The Hack Green bunker largely retains its original arrangement. It is composed of a ground and an underground floor. Along the main corridors are interesting examples of the papers produced by the UKWMO, and by the civil defense service during the Cold War. Among them, are leaflets for the population, with best practices in case of a nuclear attack.

Also interesting are more technical posters from the era, either outlining the role of the public organizations monitoring a potential nuclear apocalypse scenario, or providing technical details on the effects of nuclear weapons – what to expect in terms of damage or health issues, depending on the type and local condition of a nuclear explosion.

For sure a focal point in the exhibition of Hack Green today is the display of nuclear warheads, and nuclear-related material. Hosted in a room previously employed by emergency staff, the exhibition retraces with original material, mock-ups, rare pictures and videos, the history of the British nuclear arsenal, managed by the Atomic Weapons Establishment (AWE).

The WE177 was designed to constitute the backbone of the air-dropped nuclear deterrent of the UK. Examples of this bomb are on display together with technical material employed to monitor their status and manage launch or drills. In service between the 1960s and the 1990s in association with larger strategic bombers like the Vulcan, or smaller fighter-bombers like some versions of the Harrier or Jaguar, it could be assembled in some different versions, sharing the same baseline construction, but with nominal yields ranging between 10 to 450 kilotons.

Also on display are pictures and mock-ups of the old Polaris warhead, together with the original casing employed to transport this 200 kilotons item! A US design, the Polaris was acquired by the UK in 1963, to supply the Royal Navy and constitute the UK underwater deterrent. The Polaris missile featured a three-warheads fuse, bearing a total yield of 600 kilotons.

A very rare artifact is the warhead of project Chevaline, a British design to improve the potential of the Polaris, which saw limited service with the Royal Navy in the 1980s. The Polaris/Chevaline was replaced by the Trident missile system, still employed today in the nuclear deterrent role.

Besides the central exhibition of nuclear warheads, the display cases in the same room offer a wealth of super-interesting technical gear and memorabilia related to nuclear weapons. These include components and cabinets of radio and radar systems, to be transported on board aircraft or to be employed on the ground. These parts come from different ages, and from several Countries, including the Eastern Bloc – for instance, a very rare Soviet suit to work on high-power radar antennas for maintenance. Powerful radars actually emit rays with a high power-over-volume (power density) ratio especially in the vicinity of the emitting apparatus. This may even turn deadly for humans (roughly like being in a microwave oven would be!), and precautions are needed when working in such environment.

A really unique collection on display is related to Geiger counters and dosimeters. These include environmental and personal use devices, from various ages and nationality.

Two display cases are dedicated to material coming from beyond the Iron Curtain, most notably from the USSR and the GDR! It is really hard to imagine how this material could manage to come to Hack Green.

Part of the display is dedicated to the civil defense corps of different Countries, with helmets, emblems, papers and uniforms, showing how similar actions in preparations for a nuclear war were carried out in many Nations of continental Europe, also in the Eastern Bloc. Actually, a very close relative of the UKWMO RGHQ control center, with a totally similar function, can be found in a perfectly preserved condition in Poland (see this post).

More memorabilia items come from the history of civil defense in the UK. Among the most rare artifacts are the only surviving example of the ‘Queen’s telephone’, which was employed for enforcing the Emergency Power Act, which among other things may have transferred power to the Regional Commissioner. There used to be one such phone in each of the RGHQ, but all were destroyed for security reasons following the shut-off of the bunkers, except this one, and the one at the other end of the line – in the Royal residence.

An adjoining room hosts a reconstruction of the radar screen room from the age Hack Green was employed as a radar station managed by the RAF. All panels are lit, providing a vivid, pure Cold War experience!

To the end of the main corridor, you can reach another entrance to the bunker, which is nowadays normally shut. However, this used to be the main entrance, and close to it are the control room of the bunker and the decontamination area.

The control room is not accessible, but the large windows allow to take a glance to its original appearance. It is still employed to control electric power and air conditioning. Manned nuclear-proof bunkers are customarily pressurized, sucking contaminated air from the outside, which is carefully filtered for poisons and radioactive particles, and pumping unfiltered bunker air to the outside (see this post for another example in a Soviet bunker).

People entering after work out in the fallout-polluted environment were decontaminated through showers, and used anti-radiation suits were left in an isolated sink still on display.

Before leaving the ground floor, you can find on the ground level the female dorm for the staff of the RGHQ bunker. In the same room, an original system for communicating on the very low frequency bandwidth has been put on display. This Cold War relic could be employed to issue orders to the strategic submarine force. This very cabinet was employed by Prime Minister Thatcher for ordering the attack against the Argentinian ship General Belgrano.

A final room on this floor is the sick bay, sized for the staff of Hack Green only, but equipped to manage health issues resulting from the exposition to a nuclear attack.

Underground floor

Descending to the underground floor is possible via the original stairs. The first room you meet features an exhibition of original Soviet uniforms, belonging to some high-ranking officials from various branches of the Red Army. Really hard to see in this part of the world, their origin is well documented.

Close by, is a small display of military material from the Soviet bloc, ranging from original weapons, to communication systems, emblems and instructional posters for the troops (similar to what you can find in dedicated museums in former Warsaw Pact Countries, like here or here).

Nearby is a communication room originally employed by the military staff of the bunker, working in parallel with civil servants in the management of the nuclear emergency. Original radio transmission gear of military standard is still in place.

Before entering the core preserved area of the bunker, i.e. the rooms of the RGHQ, you can find the original water and air supply systems, and the corresponding technical cabinets, in a big room on the underground level.

The rooms of the RGHQ are all interconnected, and located to the side of the corridor on the underground floor. The way they look is from the days of activity of Hack Green as a RGHQ, i.e. the 1980s. Typical Cold War technology from the time is featured in this area.

Firstly, you enter the warning room, which used to be the contact point of the RGHQ with the national surveillance system. By design, the BMEWS at Fylingdales should have picked up an incoming ICBM within 30 seconds from launch, spreading an alert signal at all levels. This would have been received here and by the entire civil defense system within 90 seconds. This would leave roughly 4 minutes (out of a total of around 6 minutes for the missile to come to Britain from the Eastern Bloc) to tell the population of the incoming missile, which would happen through some thousands sirens scattered around the UK. The physical alarm signal management system was called HANDEL, and was employed from the 1960s to 1992. The apparatus on display at Hack Green, a node of HANDEL, is notably still working, albeit disconnected.

The warning room can be accessed directly from the Commissioner’s room, both an office and private room. Original maps and furniture can be found in this room, the only private one in the bunker. Immediately next to it is the cipher office, a communication office connecting – at least in non-emergency conditions – the center with the external world. Ciphered language was employed for safe communication with governmental offices, both domestic and abroad.

Next are a conference room, for meeting within the staff of the RGHQ, and a broadcast studio. The latter was focused on radio broadcast instead of TV, since the latter would not work in case of a nuclear attack. The idea was for the Commissioner to communicate directly with the administrative region, possibly repeating messages of national significance, or instructing about local disaster recovery actions, evacuation operations, etc.

The tour goes on with a very interesting area, stuffed with original electronic and communication material. Communication from the bunker to the other similar bunkers withing the UKWMO was possible through a dedicated system called Emergency Communication Network (ECN). The main function was that of constantly updating the map of the fallout and of the operations taking place at all levels, including all surviving infrastructures. Many maps and teletypewriters, original components of the system, are part of the display.

The ‘brain’ of the system was the Message Switch Exchange (MSX). A top-tier system elaborated by British Telecom in the 1980s, it looks exceptionally complex. The lit cabinets and modules provide a really vivid impression of how it should have looked like back in the Cold War years. The electronic cabinets and wiring driving to the rooftop antenna are still lit as well.

A rare, incredible portable satellite communication antenna is on display. This was employed in peacetime condition, and stored inside the bunker when under attack.

The screens where the meteorologists and nuclear scientists displayed all the information gathered and prepared forecasts are another unusual Cold War sight.

Perhaps unexpectedly in a 1980s hi-tech environment, a purely analog, wired telephone exchange system is on display. This is original as well, and was kept in service as a ‘last line’ backup system within the ECN until 1992, should the futuristic MSX system fail under an attack.

A complement to the exhibition of the RGHQ is the fire control room, where a big screen and several communication consoles were employed for directing firefighting actions at a regional level. Following the experience of Nagasaki and the extensive nuclear tests of the 1950s, it is known that fires resulting from the extreme temperature and radiation intensity associated with a nuclear explosion are possibly even more dangerous to buildings and infrastructures than the shock-wave itself.

A display which is not original from Hack Green, but found an ideal home in this bunker, is made of a reconstructed room from the Regional Air Operation Center (UKRAOC), which would gather information from the BMEWS. The material on display used to be at RAF High Wycombe, where the UKRAOC facility was located in the Cold War years.

Fed by the BMEWS early warning station at Fylingdales, the apparatus in this room was constantly updated on the defense situation. A Soviet ICBM attack would be detected here, and from here the alarm signal to the entire national civil and military defense system would be triggered. This really one-of-a-kind reconstruction is really evoking, with the original panels all lit, and a dim light background!

A final room on the underground floor hosts a reconstruction of a Soviet missile launch room. Perhaps not accurate as a reconstruction, it is however centered on original material and memorabilia items from the Soviet bloc. This area has been employed as a set for movies.

At the base of a second stair well ascending to the ground floor you can find a reconstruction of one of the more than 1 thousand peripheral posts of the ROC. Such posts, scattered on the UK territory, gathered information for the RGHQ, and constituted the ‘sensors’ of the nuclear attack detection network. The technical gear includes over-pressure and radiation intensity transducers.

Getting there and visiting

The bunker is in a very secluded location, about 25 miles west of Stoke-on-Trent, and roughly 60 miles from Liverpool and Manchester. Very little advertised in the area, and not much known to the general public even in the UK, this hidden gem can be reached very conveniently by car, not much conveniently with public transport. The exact address is French Ln, Nantwich CW5 8BL, United Kingdom.

The bunker was built far from the crowds. Do not be worried as you see the road getting narrower and you feel like your NAV is taking you to nowhere – you are probably on the right path! Once there, you will find a large inside parking, and a top-level management of the entire facility.

Visiting is on a self-guided basis, with tons of explanatory panels and illustrations allowing to make the most out of your visit even if you have just a normal interest and preliminary knowledge of the topic. For a specialist, this super-interesting, one-of-a-kind site may require at least 2 hours for capturing the details, and possibly take pictures. Website with visiting information here.

York Cold War Bunker

Besides the impressive Minster and the beautiful historic town, York has the distinction of being the seat of one of the few Cold War bunkers preserved in the UK. Differently from Hack Green (see above), the bunker in York was installed relatively late in 1961, in the middle of the Cold War. Since then and until the collapse of the USSR, it acted as a node in the UK Warning and Monitoring Organization (UKWMO), collecting information and coordinating emergency actions around York in the event of a nuclear attack. A cluster of reporting points was linked to the bunker in York, which took the name of Headquarters of the N.20 Group within the UKWMO.

An eminently intelligence collection and information relay facility, the bunker was manned by the Royal Observation Corps (ROC), who provided voluntary civilian staff to support the monitoring and communication functions of the bunker in the UKWMO network. The bunker ceased operations and was basically sealed in 1991. Until that time, the ROC ran the facility, carrying out regularly scheduled drills and simulations. The bunker was designed and sized to offer its staff a self-support ability of a few weeks in a nuclear fallout scenario. Besides all supporting facilities, including water tanks, pumps and power generators, the facility was centered on a set of sensors for nuclear blast detection, as well as provision for fallout forecast and monitoring.

The bunker has been taken over by the English Heritage, a structured nationwide historical conservation association, which restored the site and opened it to the public.

The York Cold War Bunker is not far from the historical center, yet in a quiet residential area. Access is from a small parking area among low-rise buildings. The greenish paint of the concrete walls and the tall metal antenna on top cannot be spotted from much farther away than the parking itself. Curiously, the pedestrian door of the bunker stands some feet above the ground, and can be reached via a concrete stairway. Then once on top and inside, you need to descend some flights of stairs to get underground.

Compared to the Hack Green bunker, the York group headquarter is more cramped, with smaller rooms, lower ceilings and narrower corridors.

The first part of the visit covers the supporting facilities. These include a ventilation system, which as customary for nuclear-proof bunkers (but the same is true for older bunkers dating from WWII) filtered the incoming air and ejected the inside air, basically pressurizing the bunker environment with respect to the outside atmospheric pressure. This avoided passive ingestion of contaminated air from the outside.

A power generator and a water pumping system are also visible. A control panel for all the plants has been preserved, similar to the machinery in this area, dating from the time of construction.

The centerpiece of the visit is of course the reporting room. The reason for putting a headquarters in relatively low-sized York was the presence in the area of significant food production industries, as well as of a major railway node in Northern England. Furthermore, military facilities like the only BMEWS station in the UK happened to be in Fylingdales, northern Yorkshire. These features would make York a valuable strategic target for an attacking enemy. The main function of the bunker within the UKWMO was that of ascertaining the position and intensity of a nuclear explosion on the territory covered by its jurisdiction.

Anticipated by the early warning ballistic missile detection system protecting the UK, the hit could be recorded by the sensors available in the bunker or in other reporting points scattered around in the country. The bunker would then try to predict and follow the evolution of the fallout. This would allow coordinating emergency and recovery actions including fire suppression, medical evacuation, water and food transport and supply, etc.

The central reporting room looks mostly like an operations room in a military headquarter. It is structured on two levels, with large maps and boards for visually updating the situation and writing information. Batteries of telephones and teletypewriters allowed obtaining communications and sending updated information to allow emergency services as well as decision centers to carry out post-attack operations. This system was not dissimilar from the counterpart beyond the Iron Curtain (see for instance this center in Poland).

Nearby the reporting room, the components of the sensor suite allowing to detect the position and intensity of a nuclear explosion are on display.

The first is the bomb-power indicator (BPI). The working principle is that of reading the over-pressure caused by the shock-wave invariably produced by an explosion, and particularly intense for a nuclear explosion, releasing an immense amount of energy in a small volume and within a very short time. The supersonic traveling shock-wave is responsible for the mechanical breaking of building and superstructures, like antennas, suspended power lines, bridges, piers, etc. Being a wave of pressure, its intensity can be measured by pressure transducers, which for the BPI show the reading on a simple analog dial.

The transducer, seen handing from the ceiling in the exhibition, would stand on the rooftop of the bunker, exposed to the explosion. This type of sensor was also installed in smaller reporting points scattered over the territory of the UK.

A second sensor was the ground zero indicator (GZI). Here the working principle was also very simple. The main element in the GZI is a metal drum with a small hole in the side, and a piece of photographic paper covering the inside surface of the cylinder. An explosion would send a high-energy light beam through the hole, producing an impression on a precise point on the paper. By positioning in a very accurate way the drum on its pedestal on top of the bunker, according to a precise fine-tuning, it was possible to retrieve the direction of the incoming beam. By composing the reading of more than one precisely-located drum, it was possible to pinpoint the position of the explosion by triangulation, both in terms of geographical position and altitude. The latter is a very relevant practical information, since for instance the quality and hazard of the fallout are strongly related to the proximity of the explosion to the ground.

The GZI, a purely analog sensor, had the odd feature of requiring collection of the photographic paper by venturing outside of the bunker after and explosion, i.e. facing the fallout.

The third and most evolved system on display is an AWDREY computer. The name stands for Atomic Weapon Detection Recognition and Estimation of Yield. This artifact is very rare to see, and a quite refined piece of engineering for the time. It was supplied to 12 headquarter bunkers of the UKWMO, including York, and was operative from the early 1970s. The computer is the computational part of the system, whereas the detection system was based on a sophisticated transducer put outside, on top of the bunker. The working principle was much more sophisticated here, and related to the evolution of the intensity of the radiation coming from the core of the explosions in the first instants of the detonation process. Several stages of a nuclear explosions happen in a row on a scale of a few millionths of a second. These include a predictable oscillation of the intensity of radiation. The exact features of this oscillation are correlated to the yield of the explosion. The ability of AWDREY to collect and interpret data from the early stage of the explosion would allow it to reconstruct the position and yield of the explosion at once.

Tuned on experimental data from nuclear testing in the field, this system delivered good general performance, with some inaccuracy in case of intense atmospheric phenomena taking place – or during fireworks, when the York system was apparently misled in one occasion, interpreting it as a Soviet attack!

The tour is completed with a view of the dorm for the civil servants of the ROC, and with a short exhibition on some historical and political aspects of the Cold War.

Getting there and visiting

The York Cold War Bunker is professionally managed by the English Heritage. Visiting is only possible with a guide. Please note that as of 2022, pre-booking is strictly necessary, since there is no ticket office on site. The guided tour lasts about 45 minutes, including a well-crafted introductory video. At the time of writing, only the first underground floor is open for a visit, but plans for an expansion of the visible part of the facility are being drafted.

The tour is very interesting and detailed, with some educated humor to make it more enjoyable! For specialists, it will be too quick, especially if you like to take pictures. However, the site indeed deserves a careful look also for the more technically-minded people, especially considering the little number of similar facilities open in Europe – and of course in the UK, where it is a one-of-a-kind destination, and a true must for Cold War historians.

The location is about two miles west of York Minster. Convenient to reach by car, several public parking lots are available in front of the gate or in the neighborhood. The exact address is Monument Cl, Holgate, York YO24 4HT, United Kingdom. Website with full information here.

Soviet ‘Monolith’ Nuclear Bunkers in Poland – Survivors & Ghosts

Since the beginning caught in the storm of WWII, Poland saw its border changed again in 1945 by the Western Allies and the USSR – the lack of natural borders meant that fate for this Country several times over the centuries. Furthermore, as a massive flow of Soviet forces had been pivotal in repelling Hitler’s forces, similar to other nations sharing a border with the USSR, Poland found itself deep in the sphere of influence of Stalin’s Soviet Union. A communist dictatorship was installed starting 1945, due to last until the end of communism in Europe in 1989.

As a matter of fact, Poland turned out to be by far the most populated and largest of Eastern Bloc countries. Strategically placed in the middle between the USSR and free Western Europe, with a wide section of the Baltic shoreline and a huge, mostly flat territory, similar to the German Democratic Republic nearby, Poland was the theater of a significant militarization effort by the Soviets. Not only the Polish army received Soviet war material in large stocks over the full span of the Cold War, but the Red Army also actually had significant assets scattered over Polish territory – its huge Northern Group of Forces being stationed there, with tanks, aircraft, dedicated bases, firing ranges, as well as several tens of thousand troops and their families, making for a kind of military colony of the USSR.

What is possibly less known is that also Soviet nuclear weapons were stationed in some satellites of the USSR, like the GDR (see this and this chapters, for instance), Hungary (see this chapter), and of course Poland.

Some elements of the global picture have been introduced in another chapter, dealing among other things with a Basalt-type bunker built for storing air-launched nuclear systems, on the premises of the Soviet airbase of Wiechlice (Szprotawa). Yet as can be argued from the general map of of nuclear depots known to Western intelligence, dating from 1979 (‘Warsaw Pact Forces Opposite NATO’, Vol.I-II, CREST record number 0005517771, declassified and released in 2010, here), there were also three major depots of the Monolith-type in Poland. Similar to Stolzenhain and Lychen in the former GDR (see this post), these depots were larger, multi-chamber storage facilities, intended to store primarily missile warheads for longer periods, for instance to complement the SCUD launch system for theater missiles.

The uniqueness of Poland in the panorama of Cold War archaeology lies in a generally positive attitude towards preserving some traces of this dramatic piece of recent history, when the map of Europe was markedly different from now, and the western world found itself multiple times on the verge of a nuclear confrontation, to be fought on the very territory of now wealthy Core Europe. As a result, an impressive number of war museums putting on display military stuff from all the 20th century can be found scattered over the broad territory of today’s Poland.

Even more important, a certain number of former Soviet military installations are being either actively preserved, or at least not condemned through demolition works or re-assignment to improbable new uses. This is despite a totally justified negative attitude towards the Soviet occupation forces and communist dictatorship. This attitude marks an unusual difference between the cultural attitude of the fierce Polish people towards recent military history and Soviet occupation, with respect for instance to Germany or Hungary, where the comprehensible dislike for the Soviets has taken a shape in leaving behind – i.e. more or less demolishing – every trace of a Soviet military presence, and especially in the former, reducing military museums to a minimum.

Among the most prominent Cold War relics you can find in Poland are the three Monolith-type nuclear warhead bunkers mentioned above. One of them – the Podborsko site – has been restored with 90% original material, and makes for a world-class, top-tier museum in the panorama of Cold War military history. The other two, Brzeznica-Kolonia and Templewo, have been left to nature and have now become ‘Soviet ghosts’, but they are advertised with panels, providing some info, and while access is not encouraged, a quick look inside the bunkers, as well as freely walking in the former premises of these bases, is of course possible.

This post covers these three Monolith-type sites, with a focus on the unique preserved Podborsko site, which needs to be on the shortlist of everyone with an interest in Cold War technology, as well as in the history of the nuclear stockpile. All sites were visited, and all photographs taken, on a trip to western Poland in summer 2020.

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Sights

All three sites are in northwestern Poland. GPS coordinates are provided in the respective sections. Despite being not too much afar from each other, due the relatively slow connection roads in the area, visiting all three places in one day is not possible. Furthermore, the area is quite dense in both general interest and Cold War related destinations, so I would advise planning a trip to this region of Poland and listing these sites among other destinations.

Podborsko Site – Objekt 3001

A good specimen of a Monolith site, Podborsko – or Objekt 3001, as per the official military listing of the Cold War years – was centered on two large half-interred bunker, each with two big side-wards opening tight doors at ground level, providing access to the interior with the trolleys used to move the nuclear warheads from the transport trucks to the cellars.

For an increased protection in case of an attack to the site – likely listed among targets of strategic value by Western Countries – a second tight door was put immediately next to the external one, creating a tight, blast resisting and insulated airlock between the interior of the bunker and the outside world.

Both doors to the two ends of the airlock can be – and are – opened via a manual crank system. Two men are needed to actually move the doors however – they are really heavy! A servo-assisted system was in place originally.

An interesting detail is the original sensor for the door status, part of a security system of the base.

Similar to their US counterparts, the Soviets took the problem of security of the nuclear arsenal pretty seriously. Each door on the path followed by the warhead from the outside to the cellar, including the airlock doors as well as the cellar doors inside the bunker, were associated to a trigger. When the corresponding door was opened, the trigger sent a signal via a dedicated cable link to the headquarters of a dedicated branch of the Red Army offices in Moscow, Russia, which was kept constantly updated on the status of each critical door in the depot. The link was via purpose-designed vacuum-protected cables – the actual wiring ran along a vacuum manifold, so that in case of the cable was bitten and the vacuum manifold collapsed, an emergency signal was immediately sent to the nearest nodes of the network, allowing surveillance staff to intervene promptly.

The opening of and closing procedure of the airlock doors involved communication with a post in Moscow too, which started with the local guards communicating their intention to open the doors via a system housed in a blue cabinet besides the tight door. As the signal traveled from the bunker to the headquarters and back, the opening of an airlock was not a quick operation! Original writings in pencil can still be found in the cabinet.

Past the airlock, you land on an elevated concrete platform. From here the warheads were moved to the underground floor via a mechanical crane. This is still standing today, with limit indications in Russian.

From the platform you get an excellent lookout of the bunker structure. You can see a twin suspended platform to the opposite end of the underground floor, with a tight door shut closed. Along the long sides of the main hall, on the underground level you see several doors. On the right hand side, big sliding doors painted in white give access to the cellars, where the warheads spent most of their time in rest. On the opposite side are smaller man-sized doors, giving access to the technical area, with provision for the men of the permanent bunker watch.

The stairs leading downstairs are among the few complements to the original structure – they have been put in place to ease visiting. Originally, the underground floor could be reached from the suspended platform only via a lateral manhole with a vertical metal latter.

The warheads are long gone today – the site was built in the late 1960s, and was emptied of its strategically relevant content in the late 1980s, to be finally ceded back to the Polish government after the withdrawal of all Russian forces from Europe. The cellars today are mainly empty, and used to showcase interesting items related to the site.

First, you can see a scale model of the entire site. In Soviet times, the place was a full scale military base. It included a separated area with living facilities for the troops and their families, who ran the base with both technical and surveillance tasks. Today, this area has been taken over by the government, and used as a prison – Podborsko is rather secluded and far from populated areas on the Baltic coast. Furthermore, as said there used to be two twin bunkers. Today only one has been restored, whereas the other is sealed and waiting for reuse. Between the sectors of the base multiple fences with barbed wire, concrete walls, foxholes and other deterring/defense devices and systems were in place, making the innermost part of the base with the bunkers rather inaccessible.

An original armored cabinet from the time of operation is still in the corner of a cellar, its original use is uncertain.

In another cellar you can find everyday items and relics from Soviet presence in the area. These range from toothpaste to children’s toys. Also more military-related items, like cartridge boxes and even original Soviet military dog tags have been found scattered over the area!

You can also find weapons, a scheme of the base in Russian, anti-radiation suits, and parts of the body, control and guidance systems of a Soviet SCUD theater missile – the corresponding warheads being the main business in Podborsko. There is also a copy of the plan of an attack scenario for Western Europe, showing some targets on the respective sides of the Iron Curtain.

One of the cellars has been left empty, with a mock-up of a warhead, resting on one of the original trolleys. This is particularly evoking, despite being just one out of the high number of warheads usually stored in a cellar. The actual number of warheads residing in each Soviet storage over the years is still today not totally clear. However, reportedly former Soviet staff support there was in a single Monolith bunker in Poland enough nuclear material for the whole attack plan over Europe, meaning a number of several tens warheads per site.

The trolley is original as said, and it shows the function of the slots on the ground of each cellar, which allowed anchoring the trolley firmly in position. This was possibly needed also in the extreme case of a blast hitting the bunker, so as to avoid any unwanted displacement of the trolleys.

A fourth cellar displays a set of panels, outlining the history of the Cold War.

As said, the security triggers telling the status of the door can be found close also to each of the sliding doors of the cellars.

Before moving to the technical area on the other side of the bunker, a look to the central hall reveals a number of original material. In particular, you can find an interesting set of instruments, handles and gauges packed together in a metal cabinet. Their function was that of monitoring the state of each warhead. Nuclear material needs to be stored in precise conservation conditions, so warheads were kept in dedicated cases. These were inspected regularly by connecting them to the monitoring system and recording the corresponding gauge readings. Traces of the positioning markers for an inspected trolley can be found close to the cabinet, painted on the ground.

Another conspicuous sight in the main hall is the heating system, needed to keep the inside atmosphere at a constant assigned temperature and humidity level, to guarantee the health of nuclear material. A big array of heat exchangers takes the top part of a side wall in the main hall.

The technical part is made of two main parts, and is accessible on the long side of the hall opposite to the cellars. One part is made of a blind sequence of three narrow compartments. Here you can find a case for manipulating dangerous chemicals, with protection gloves once protruding inside. Nearby, a sink and some cabinets recall a medical room.

This area was designed to manipulate and check the triggers of nuclear weapons in use at the time of construction of the Monolith bunkers (late 1960s). These made use of reactive materials, thus requiring some precautions and a complex maintenance procedure. They were phased out soon after the construction of the site though, so this part of the bunker was basically unused since that time. A tight door connects this area to the main hall.

The second part of the technical area is arranged along a U-shaped corridor, starting and ending in the main hall. Similar to the previous technical part, a small sealed door connects the corridor to the main hall.

The first technical rooms you meet are related to climate control.

Next you find a big water tank. Close by there is a single toilet. This was reportedly seldom used, as drainage did not work properly due to the underground placement. Watchmen during their shifts in the bunker went out for their physiological needs.

Going in and out for pedestrians was made possible through a man-sized airlock. This is perfectly preserved in Podborsko, similar to the passage leading up, by means of very steep metal ladders.

Another interesting sight in the technical area is the air filtering room, which is close to the small living area for the watch staff. In case of an attack to the facility, making the area poisonous possibly also due to fallout, this huge filtering system allowed the troops inside to survive for some time.

The electric control room is in almost mint condition. Only the major connections to the external power lines – not there any more – have been cut. Same electric connections still bear their original hand written identifiers!

An original – and rare – handbook with some illustration of standard trolleys is among the artifacts to be found in this incredible exhibition.

Concluding the technical part, a massive Diesel power generator, with its ancillary air pumping and exhaust expulsion systems, is still there in a rather good state.

Back outside, the Podborsko site features also a Granit-type bunker, perfectly preserved with its metal doors – seldom found elsewhere. Granit bunkers were much softer in construction than the Monolith-type, and they might be used for storing assembled missiles, command posts and more. The one in Podborsko is another Soviet mystery – it is hard to tell to what purpose it was built, probably in the late 1970s-early 1980s.

The second bunker, very similar inside to the main one, is sealed and waiting for restoration. You can walk the exterior, where some remains of the truck loading/unloading platforms can be found. Traces of a fence line can be seen to the back.

Getting there and moving around

The Podborsko site is a branch of the ‘Muzeum Oreza Polskiego w Kolobrzegu’, called ‘Cold War Museum Podborsko 3001’ (‘Muzeum Zimnej Wojny Podborsko 3001’ in Polish). The town of Kolobrzeg is on the Baltic coast, roughly a one hour drive from this bunker, and hosts other branches of this nice museum (a tank and artillery collection, a marine branch,…). The dedicated website of Podborsko is here, to be Google-translated from Polish. The Podborsko site is open on a regular basis at least in summer, and also by appointment. I guess the visit may take about 1 hour once on site.

My visit was a special one though, as I had the chance to join in for a special thorough visit of the site, prepared for Dr. Reiner Helling, a nuclear scientist from Germany, and one of the most knowledgeable historians in the field of Soviet military presence and nuclear assets in Europe. Dr. Helling extended the invitation to me, so I had the unique chance to take a private, tour with the local curators of the branch, Mr. Mieczysław Żuk and Mr. Pawel Urbaniak. We spent some hours touring the site inside and out – special thanks to all three for an unforgettable experience!

Getting to the bunker is easy by car. Driving will be along an original Soviet service road, which can be faced with a regular city car. You may park once on the spot once there.

Brzeznica Kolonia – Objekt 3002

The site in Brzeznica Kolonia can be found close to the former Soviet village of Klomino – pretty famous in its heyday among the urbex community – and in the vicinity of the airport of Nadarzyce, still active today.

The site has been largely wiped out, but the bunkers and a little more hardware survive, in a ghost condition. However, the site is advertised with some explanatory panels, and it is also quite popular among the locals, which come here to take a couple of pics in a weird scenery.

One of the most portrayed items on the premises of this site is the Granit bunker, which is today lacking its original metal door. Similar to Podborsko, this ‘soft’ bunker was added at a later stage, and its function is to be guessed. Interestingly, some painted stripes can be found on the pavement, possibly marking the position of some trailer or gear.

Similar to Podborsko, the two major Monolith bunkers are arranged with their respective axes crossed. The eastern one can be accessed from its southern door pretty easily. Inside, it reveals its similarity with Podborsko, except for having being spoiled of any metal part – from the doors to the heat exchangers – and having hosted a wildfire or similar, as can be guessed from the sooth on the walls and ceiling.

Getting to the underground level from the suspended platform is not safe if you are going alone, like me, as the original metal ladders have been taken away. However, hard spoiling has to be expected also in the technical rooms.

Walking on top of the bunker, you find traces of the man-sized side entrance, completely interred.

Ahead of the bunker and to the back, traces of the loading/unloading platforms for trucks can be still recognized.

The westernmost bunker is easy to access from the eastern gate. Inside, it has been spoiled of any metal, similar to its twin brother. It is in a generally better shape though, without sooth on the inside walls.

In both bunkers, traces of original painting can be found.

In between the two bunkers, a number of smaller buildings are still to be found, including – apparently – a water tank, and some sentry boxes.

Also, more than in Podborsko you can appreciate a network of foxholes, which despite fading in nature, can be clearly noticed departing from the main roads once crossing this military installation.

Back to Nadarzyce nearby, you can get access to the former ghost town of Klomino. The majority of the original Soviet blocks have been wiped out, but most incredibly some of them have been restored and are today inhabited. This, and the very bad access road, make this place worth a visit only for completing the tour of this once big Soviet installation, without adding much. There is really not much left to see in Klomino.

Getting there and moving around

As said, the bunkers are pretty popular among the locals, who go there by mountain bike or car. The site can be accessed via an unpaved service road, totally safe also for a standard car, taking south from Nadarzyce. The parking point is here 53°25’51.0″N 16°34’43.6″E. There are also some picnic tables, an explanatory panel and some warning signs.

Templewo – Objekt 3003

Similar to Brzeznica Kolonia, the Templewo site has been largely reclaimed, and is now partly preserved as an unusual spot in the wilderness. The base has completely gone, but the the monolith bunkers are still there.

They can be found following an original Soviet paved road.

Both Monolith-type bunkers can be accessed with little difficulty, despite the gates having being mostly interred, like for Objekt 3002.

With respect to the latter, they appear in a generally better shape, albeit stripped of any metal hardware. Again, going down to the underground level is not recommendable if you are exploring alone, as there are no ladders from the suspended platform.

Taking a detour from the Monolith bunker area reveals an extensive network of trenches and foxholes, with abundant traces of – dangerous – barbed wire.

Finally, a single Granit-type bunker, added to the site at some point similarly to Podborsko and Brzeznica Kolonia, has been completely taken away. Only the side embankments can be seen today, wet and with a slimy puddle in between.

Getting there and moving around

The site can be reached by car, shortly north of the road connecting Trzemeszno Lubuskie to Wielowies. A parking area, part of the former base, is here 52°25’16.2″N 15°19’10.6″E. No special car needed, you can drive the original Soviet service road with a standard city car. From the parking, you may move north for a very short walk. You will soon find mild warning signs concerning the bunkers.

The area is located next to a huge military proving ground, so loud bangs might be heard quite easily, and you will see signs telling not to go south with respect to the access road to the former nuclear installation. However, the bunkers themselves are out of the danger area, and totally open and accessible.

Air Museums in the Former GDR

Due to its strategic relevance to the Soviet empire in the years of the Cold War, the territory of the former German Democratic Republic, or ‘GDR’, experienced an uncommonly intense military presence, growing over the years from soon after WWII to the end of the Soviet Union and the retreat of Russian troops to their home Country.

The coexisting armies of Eastern Germany and of the Soviet Union each managed land, sea and air groups operating from the GDR. As a result, still today the countryside of the former communist-ruled part of Germany is full of airports – many of them abandoned or converted to solar powerplants – and former tank training camps.

Besides this hardware, leaving clear traces reaching to this day, the quick collapse of the Soviet system and the end of the Cold War generated an enormous quantity of military surplus at all levels in the mid-Nineties.

In particular, soon after reunification the People’s Air Force of Eastern Germany was merged with the West-German ‘Luftwaffe’, whose name was retained and which became the German Air Force still operating today. The result of the merger was not ideal from a logistic and supply chain point of view, with too many aircraft and helicopters with radically different designs – implying different spare parts, maintenance procedures, specialized training, … Consequently, all Soviet models, which had been the backbone of the East German forces, were soon stricken-off the military register, many of them going to private collections.

For this reason, you can often find former GDR aircraft in museums all over Europe. Clearly, many of them remained in the territory of their bygone mother Country, enriching local air collections and museums. This post is about four less-known gems of the kind close to Berlin and Leipzig. These photographs were taken during visits in 2017 and 2021.

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Flugplatzmuseum Cottbus

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This collection is located on the outskirts of the town of Cottbus, easily reachable about 70 miles southeast of Berlin. The premises occupied by this mainly open-air museum are to the south of the former local airport/base which was more recently converted into another solar plant. Actually, a hangar from here dating from WWII was dismounted and relocated to the state of Virginia.

The collection here is very rich, the majority of aircraft are kept in a well-maintained, non-flying condition, with a pretty large area devoted to aircraft restoration, and a well prepared and perfectly presented inside part with memorabilia, artifacts, aircraft parts, models, … – all in all, a primary attraction of the kind, well worth visiting for any aviation enthusiasts.

By passing the gates you will walk between a part of an Airbus A380 used for testing – a bit of an outlier for a military museum… – and an array of MiG-21, MiG-23 and MiG-27 formerly in service with the air force of the GDR.

The display of these aircraft side by side, the MiG-21s also in multiple different variants, is very interesting for making comparisons and spot both obvious and less evident differences between these iconic Soviet models.

A more rare, recently restored MiG-17 is proudly standing in front of the entrance to the main building of the museum.

Other highlights of the collection include two Sukhoi Su-22 aircraft. One of them bears markings of the Luftwaffe, suggesting it was used for some time in the air force of reunified Germany. The difference in size between the two massive Sukhois and the sleek MiGs is apparent having them sitting close to each other!

On the grass closer to the former runway are some Soviet helicopters, including a very well-preserved Mil-24 attack helicopter, also in Luftwaffe colors.

Close by, a couple of other MiGs in a bare metal colorway – one of them from Tschekoslowakia – can be spotted, together with some old western models, in the original colors of the Luftwaffe – these include an F-84, F-86, T-33 and a rare Italian G-91.

Other less aggressive aircraft in the area include a Let L-200 twin-propeller aircraft possibly for training, a Yakovlev Yak-11 acrobatic aircraft and some other aircraft for training, observation or crop dusting.

A full array of service trucks from various Soviet manufacturers are aligned in an open hangar, where a Soviet anti-aircraft SA-2 missile with its light launch gantry is also present.

The inside collection – not the usual dirty-and-dusty collection typical of wannabe air-museums, but instead a clean and well-presented, good-level small museum in itself – shows something on the local history of the former airport, various jettisonable seats from Soviet aircraft from different times, technical schemes for maintenance and training, as well as local findings of aeronautical interest. Among the latter, some pretty rare parts of downed aircraft from WWII, both from Nazi Germany and from the Allies – including the Soviet Union.

Also interesting was a temporary exhibition about the MiG-21 and its world-class success. The only thing I regret about the inside part is that all explanations were given in German only.

Some very interesting findings on the outside include a largely complete wreck of a Focke-Wulf FW190, what appears to be a bulky Napier Sabre II 24-cylinders engine, possibly from a Hawker Tempest or typhoon, a MiG-15 awaiting restoration, plus other engines and aircraft parts.

I would recommend this place for a dedicated visit about 1,5-2 hours long, especially if you are touring the area south of Berlin, very rich in terms of recent and past military history.

Getting there

Cottbus can be reached quickly by train from Berlin, but the museum is far from the town center. Going by car is definitely more convenient, a very fast highway going to the border with Poland – a few miles away – connecting Berlin and Cottbus in about 1 hour. Contact and information from their official website (in German, but basic info on opening times and location can be obtained very easily with some Google translation). Small parking nearby.

Luftfahrtmuseum Finowfurt

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The Luftfahrtmuseum – i.e. aviation museum – in Finowfurt has taken over a part of the former Soviet airbase of Finow, about 35 miles northeast of Berlin. Over the last two decades of the Cold War, this airbase was pretty busy with high-performance Soviet MiGs, ranging from the older MiG-21 fighter-interceptor, the ubiquitous MiG-23 fighter, the rare super-fast MiG-25 interceptor, and up to the modern MiG-29.

Finow received a plethora of aircraft shelters, including the older AU-13 for MiG-21 and -23, but also AU-16(2) and AU-16(3), the former intended for the Yak-28 and MiG-25, the latter for the MiG-29. The picture below portray the relatively rare AU-16(2), with its non-circular vault, in the still-active part of the airport in Finowfurt, today a general aviation field.

The museum, encompassing the northwestern corner of the former military premises, offers the chance to walk close and inside AU-13 shelters, with their heavy reinforced doors, self-actuated by means of motors mounted close to their own bodies, and moving on a rail.

Parked ahead of a group of such shelters, a MiG-21 and a MiG-23 make for a scenario closely resembling the days of operation of this former Soviet installation. The shelters are interspersed with former technical gear from the base, including searchlights of evident Soviet make – see the writings in Cyrillic.

A spherical dome on top of one of the shelters may have been the case for a rotating aerial.

An Ilyushin Il-14 old two-engined transport and a Yakovlev Yak-28 bomber sit on the opposite sides of a former taxiway, typically built with large concrete slabs.

To the far end of the museum area, a low building, possibly a former canteen or technical facility, hosts a nice collection of artifacts, which tell much about the history of Finow over the years. For instance, during the Third Reich, this airbase was involved in testing the Allied aircraft landed in emergency on German territory – models of B-17 and B-24 in the unusual colors of the Luftwaffe witness this episode.

Of course, most of the material on display is from Soviet times. An original schematic of the base, and old signs in Russian – both propaganda posters and more technical explanations – are included in this collection.

Also a few naive paintings from Soviet times have been preserved.

An interesting collection of Soviet technical gear includes aircraft cameras for optical imagery, helmets, flying suits, as well as weapons partly dismantled possibly for instructional purposes.

Ahead of the small museum building, a statue of Lenin can be found, possibly relocated from another spot of the former Soviet base.

On a spot nearby, anti-aircraft and theater missiles can be found together with ranging aerials – as well as an ubiquitous Antonov An-2 transport biplane.

An imposing sight in the museum is a freshly refurbished Tupolev Tu-134, in the colors of the East German flag-carrier Interflug. It was not the case on the day of my visit, but it is likely the aircraft can be boarded on some occasions. Nearby, also a large Mil helicopter – a former transport – can be found ahead of yet another aircraft shelter.

On display in the latter are some aircraft jet engines, as well as some communications rigs, and some explanatory panels, likely from a former technical school for air personnel.

A particularly interesting collection is hosted in an adjoining shelter, wisely converted for the scope. It is based on relics from crashed aircraft, from the years of WWII. A very active group of aviation archaeologists operates in Finow, and this fantastic display is the result of their preservation effort.

Artifacts range from engine parts to aircraft components from all the air forces involved in WWII, and include substantial remains from the wrecks of a Soviet Ilyushin Il-2 Sturmovik, and a German Föcke-Wulf FW-190, a high-performing fighter manufactured in great numbers, but today sadly very hard to find even in museums.

Finally, closer to the former runway, two shelters cover a few helicopters, including some formerly in service with the Volkspolizei – the police of the GDR – as well as a MiG-15 with two seats for training, and a MiG-21.

Outside on the grass, a MiG-27 fighter bomber and a MiG-17, both in the colors of the GDR Air Force (aka NVA).

Approaching the exit, a deployable aircraft-stopping harness for emergencies can be seen, close to a movable SAM launcher from the NVA, and a massive Sukhoi Su-22 similarly in the colors of the NVA, like those to be found in Cottbus (see above).

The ticket office of the museum is hosted in a former technical facility with reinforced doors, possibly a storage for special ordnance.

Thanks to the proximity with Berlin and the wealth of interesting artifacts, this museum is a highly valuable Soviet counterpart to the Westwardly-oriented museum in Gatow (on a former British airfield near Potsdam, website here). Besides a rich collection of aircraft and technical gear, complemented by a display of interesting findings from the aviation archaeology group, Finow allows to get a flavor of how a Soviet base looked like in the days of operation. For aircraft enthusiasts, a visit may easily take 2 hours or more.

Getting there

The museum is conveniently located in Finowfurt, immediately out of the highway A11 (exit Eberswalde), going from Berlin to Szczecin in northern Poland. It is less than 1 hour driving from downtown Berlin. The museum is mostly open-air, with some collections hosted in former aircraft shelters. A large free parking is available on site. Website here. Please note that credit card may not be accepted. Going with cash is recommended.

Luftfahrttechnisches Museum Rechlin

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The museum of Rechlin can be found in the former premises of an Army research center dating from the years of the Third Reich. It is located in the open countryside, about 80 km north of Berlin, in the vicinity of lake Müritz. Following the Soviet occupation of the area in 1945, the center went on as a technical site of the Red Army.

The museum has restored the original buildings, and set up an exhibition mainly focused on the history of German military aeronautics. The exhibition is both indoor and outdoor.

The indoor part has on display a number of German aircraft, aircraft engines and several related parts, mainly from pre-WWII or WWII. A highlight of the show is a number of reconstructed exemplars, created putting together original parts and some reproduced components. Of course, the result is now airworthy, but considering how hard to find these aircraft are today in collections, this is a rare opportunity to have a first-hand look at how these models looked like.

A very interesting collection of original engines and components from the Third Reich period is on display. The level of engineering sophistication reached in the years of WWII is really astonishing. It was at that time that piston power reached its top development in aeronautics. Furthermore, the first jet engines entering production date from the final stages of WWII too, and are here represented.

Another hangar is mostly dedicated to large 1:1 mock-ups of extremely rare German designs from WWI and WWII, including a Dornier Do-335 in a push-pull configuration, which have been accurately assembled, providing a vivid portrait of how these now very rare-to-find aircraft.

Other exhibits include Soviet-made aircraft, partly dismounted for didactic purposes.

In another wing, the museum displays a rich exhibition of original artifacts from the era of Soviet occupation. These include many aircraft components, jettisonable seats, helmets, several radio components, papers and pictures.

Simulators for aircraft and helicopter cockpits are also part of the display.

Memorabilia include everyday items, Soviet newspapers, badges and celebration plates. The page of a German newspaper, from the date of the final withdrawal of then-Russian troops back home from Germany, titles ‘Farewell, Muzhiks!’ – really a momentous event.

In an adjoining room, uniforms and emblems from both the USSR forces and the East-German NVA can be found in display cases.

The outdoor exhibition is centered on a few original aircraft and helicopters, as well as fast motorboats and other vehicles. Aircraft include a MiG-21, MiG-23, and a massive Sukhoi Su-22.

As for helicopters, there are a Mil-2, Mil-24 and a Mil-8 – all Soviet-made. The latter two have the main rotor blades still dismounted.

The research center, and today the museum, is located just about 5 km north of Rechlin/Lärz airfield, active in the Third Reich in aeronautical research – Messerschmitt Me-163 Komet rocket-powered interceptors were studied here. The airfield became a large Soviet base from 1945 to the time when the then-Russian troops left. Today the airport has been converted for general aviation use. A report from an exploration of its premises can be found here.

Getting there

This is a proportionate collection, friendly to visit for everybody, in a nice rural setting. Memories from the history of aviation in Germany before and during WWII, as well as from Soviet operations taking place in the area – an often overlooked but crucial chapter in the military history of the GDR. The exact address is Am Claassee 1, 17248 Rechlin, Germany. Official website here. Visiting may require 45 minutes to 1.5 hours.

Flugwelt Altenburg/Nobitz

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Similarly to the museum in Cottbus and Finowfurt, this collection – whose name ‘Flugwelt’ translates into ‘World of Flight’ – is built on the premises of a former airbase – Altenburg/Nobitz, 20 miles south of Leipzig. Actually this was a very active center, managed by the Soviets who operated from here in the years of the Cold War with MiG-21, 23 and 27, and was also one of those sites in the GDR selected for nuclear weapons storage. Tactical missiles batteries were located also here in response to the deployment of Pershing missiles by the US on the territory of Western Germany. in the Eighties.

The airbase has been converted to non-military use, and today it is active mainly with general aviation flights. Some former hangars are used by private companies.

The air museum is made of two physically separated parts. The main building with the ticket office is the former entrance to the Soviet airbase. Here an incredible, original mural from Soviet times is still gracing the wall, together with a map of the airfield, again from Soviet times. From there you access the inside exhibition, cluttered with aircraft parts, engines, flight suits,… Not everything from the Soviet part of the Iron Curtain though, as uniforms and parts from Western Germany and other non-communist Countries can be spotted.

Among the most interesting artifacts in the exhibition, a large explanatory scheme of a servo-actuation plant of an aircraft, with explanations in cyrillic alphabet, and a simulator for a radar mounted inside the MiG-21. Both really used training items, very uncommon to find.

A part of an A380, two gliders, some Interflug memorabilia – the flagship airline of the GDR – and tons of models and radio-transmission hardware complete the picture. Unfortunately, also here everything is in German only. The volunteers are welcoming and helpful, but unfortunately communication is not easy due to language issues.

In a first part of the open-air exhibition it is possible to find a couple of MiG-21, one East-German and the other Soviet, a helicopter of the Police of the GDR, plus other aircraft from the West-German Luftwaffe, namely a Dassault Atlantique patrol, a G-91 and an F-86.