</s>104-10150-10038 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 SC-02164-58 RETURN TO CIA Background Use Only DO Not Reproduces SC-02164-58 Summary of Initial Missions: In the period from 20 June to 10 July 1956 the Soviet Bloc air defense system was subjected to eight penetration of an unprecedented nature, seven systems were subjected to the only basis of judging the performance of the Soviet 24 (CMT) provided the only base of judging of the performance or the Soviet system. This is important to business is conducted over landlines and thus not cyber- Ober-rad by COMIT. However, some tentative conclusions may be drawn from those initial flights and these are not tentative conclusions as follows: In In spite of fact that there are these these missions came as a surprise, none were detected. This in clear evidence that their radar coverage extends above(72,000 feet. 24 - 23- 3/1/N TOP SECRET - EIDER-GUESS

Summary: The document discusses Soviet air defense system evaluations conducted between June 20 and July 10, 1956, focusing on penetration tests of radar coverage and missile systems. It references military operations involving the USSR, Germany, and MIG-19 aircraft movements. Key points include unanticipated radar detection capabilities extending to 72,000 feet, countermeasures taken by Soviet forces after the fourth mission, and analysis of altitude reporting discrepancies during flights. The text also mentions technical discussions about radar height-finding capabilities and potential development of "ROCK CAKS" (likely a typo for "rockets" or unspecified military equipment) as a result of these missions.  

Key People: None directly related to JFK or the assassination; references to Soviet military personnel, unnamed officials, and unspecified entities.  

Key Locations: USSR, Germany, Moscow.  

Key Events: Soviet air defense system testing, MIG-19 aircraft movements, radar coverage assessments, altitude reporting anomalies, countermeasures by Soviet forces.  

Key Organizations: Soviet Union military forces, unidentified defense systems (possibly NATO or Soviet units), unspecified technical development groups.

JFK Declassified Files

104-10150-10038.pdf

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