</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

**John F. Kennedy**

* No direct connection to John F. Kennedy mentioned in this document.

**Assassination**

* No information related to the assassination of John F. Kennedy is provided in this document.

**Investigations**

* No investigations into the assassination or related events are discussed in this document.

**Related Individuals and Events**

* Lee Harvey Oswald: No mention.
* CIA: Mentioned as providing background use only documents.
* COMIT: Not a person, but possibly an acronym for a group or organization.
* Ober-rad: Possibly a reference to a Soviet air defense system.
* Eider-Guess: A code name, possibly related to the Soviet Union.

**Dates and Locations**

* 20 June to 10 July 1956: Period during which eight penetration missions were conducted against the Soviet Bloc air defense system.
* Germany: Mentioned as a location where MIG-19s were moved.
* Moscow: Target of one of the penetration missions.

**Significant Events or Activities**

* Eight penetration missions conducted against the Soviet Bloc air defense system from 20 June to 10 July 1956.
* The Soviet Union became aware of the purpose of these missions by 5 July 1956 and took counter-action.
* MIG-19s were moved in Germany around this time.

**Evidence, Testimony, or Findings**

* No direct evidence related to the assassination is provided in this document.
* The performance of the Soviet air defense system during these penetration missions was not expected to follow a specific pattern.
* Confirmation and track loss seemed to be related to the presence of large numbers of fighters.

JFK Declassified Files

104-10150-10038.pdf

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