Unidentified Flying Object Reported near Puerto Rico, 1965
CIA-UAP-D022 · page 4 of 6
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TOP SECRET SUBJECT: Unidentified Flying Object b. At the time, the AN/SPS-49 radar aboard the Gyatt was undergoing an evaluation test program -- hence, the use of a recording camera. 3. In view of the radar photographs and pilot observation, it is concluded that the so-called UFO on 19 November was probably a delta-wing fighter of a type having a significantly higher climb performance than the F-8C at the 50,000 foot altitude regimes. Based on the limited information provided in the associated correspondence, other objects reported during the period of 16 to 24 November would appear to be unidentified aircraft. 4. Apparently, missile test firings were scheduled for the AFWR during this time period, and it is conceivable that the area in question could have been an attractive target for reconnaissance. The USS Gyatt was located 325 a.m. from the eastern tip of Cuba during the 19 November incident, well within MiG-21 range. The USSR has a MiG-21 reconnaissance configuration with AFA-39 aerial camera and possibly SIGINT equipment. There is no evidence at hand to suggest or deny any MiG-21 reconnaissance activity based in Cuba, either with Soviet or Cuban pilots. DONALD F. CHAMBERLAIN Assistant Director Scientific Intelligence Attachments: Three attachments to BYL 2081/85 Distribution: Cy 1 & 2 - Addresses (w/attach) Cy 3 & 4 - AD/SI Cy 5 & 6 - DSD/SI Cy 7 & 8 - ADB/DSD/SI OSI/DSD/ADB: 1d1/6621 (10 Feb 65) CANDLE VIA BYEMAN CONTROL SYSTEM PROJECT ORION TOP SECRET