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Hot Skies of the Cold War

The Bulgarian Air Force in the 1950s

Series : Europe@War #2

Author : Evgeni Andonov, Alexander Mladenov

Hot Skies of the Cold War : The Bulgarian Air Force in the 1950s


General - Pages : 96 | Images : 101 b/w photos/ills, 4 colour maps (1 in colour), 3 colour photos, 18 colour profiles, 4 tables

Paperback - Date of Publication : February 2020 | Size : 297mm x 210mm | ISBN : 9781912866915 | Helion Book Code : HEL1127

After the end of the Second World War, Bulgaria fell in total dependency upon the Soviet Union as a direct result of the 1944 Yalta agreement on the 'spheres of influence' division of Europe. The Bulgarian Air Force was radically reformed in the Soviet style and rapidly re-equipped with huge numbers of front-line aircraft. The strengthening of the Bulgarian air arm became a high priority as the Cold War in the Balkans gathered speed, and small incidents near the southern and western borders of the country began to occur with increasing frequency. The extensive ‘Sovietisation’ of the Bulgarian air arm led to the eventual change of its official title in late 1949, becoming identical to its Soviet counterpart, the Voennovazdushni Sily (VVS), featuring a structure identical to that of a Soviet front-line air army. In April 1951, the Bulgarian Air Force entered the jet era with the delivery of the first batch of Yak-23 fighters, followed not after long by the MiG-15. The hot period of the Cold War in the early and mid-1950s saw frequent night overflights by US aircraft ferrying CIA teams to be delivered by parachute to Bulgarian territory, and often to Romania and the southern parts of the Soviet Union. This tense situation required a constant high alert state, but the Bulgarian jet fighters and anti-aircraft artillery proved largely unsuccessful in countering the night intrusions. They were more successful, however, in countering the flights of high-altitude balloons with photo reconnaissance equipment launched by the US intelligence in an effort to gather information on the countries behind the Iron Curtain. The only occasion of a foreign aircraft being shot down was El Al Flight 402, a Super Constellation on a regular passenger flight between London to Tel Aviv via Vienna and Istanbul. The ill-fated airliner, known as one of the greatest victims of the Cold War tensions, nervousness and distrust, was attacked by Bulgarian MiG-15 fighters on 27 June 1955 after it erroneously strayed off course into Bulgarian territory, killing all 58 people onboard. The formation of the Soviet Union-dominated Warsaw Pact Treaty Organisation on May 14, 1956 heralded the beginning of a new era in the VVS’ development. As one of the most enthusiastic Warsaw Pact members, Bulgaria was readily supplied with huge numbers of combat jets, anti-aircraft artillery, surface-to-air missile systems and early warning radars in an effort to boost up the pact’s southern flank defence.


"Alexander Mladenov and Evgeni Andonov deliver a real treat with this addition to Helion's Europe@War series. The authors' thorough research, and the inclusion of such a large number of pilot testimonies and eyewitness accounts, make this one of the finer works on the coverage of an important strategic Warsaw Pact partner. The book is filled with aircraft and crew pictures, maps and a beautiful set of colour plates. Hot Skies of the Cold War is a beautiful and welcome addition to the history of European 'cold' conflict immediately following the Second World War." Flight Line Book Review Blog


"Besides pure aviation fans having much to enjoy, there is also plenty of visual detail for the modellers among you." FlyPast Magazine


"Helion's excellent @War series has branched out. With superb photographs throughout, the authors tell the story of this tense period [the end of the Cold War] from a little-covered perspective, and the chapter on the shooting down of an El Al Constellation that strayed off course is gripping." The Aviation Historian Magazine


"Helion’s case study expertly illumines evolving defense relationships between the Soviet Union and its buffer states through the prism of Bulgaria’s experience." Cybermodeler


"Official accounts from both sides are included, and this balanced narrative also features analysis from a modern standpoint, with many questions remaining as to how this tragedy occurred. The final chapters describe transitions to the MiG-17 and supersonic MiG-19, and the text is accompanied by well-captioned period photos." Airfix

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