Documents / FOIA release
This is a CIA History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach, written in 1992 and approved for release in 2011. It covers the CIA's manned overhead reconnaissance program from 1954 to 1974 and its two aircraft, the U-2 and the A-12 OXCART. It follows their development, the overflights of the Soviet Union, the downing of Francis Gary Powers in 1960, and later operations. One section is titled "U-2s, UFOs, and Operation BLUE BOOK."
“Burbank”8 pages
CO5653421 UNCLASSIFIED t NOFORN Appendix A 326 MRBM Medium-range ballistic missile NACA National Advisory Committee for Aeronautics NAS Naval air station NASA National Aeronautics and Space Administration NIE National Intelligence Estimate NPIC National Photographic Interpretation Center NSA National Security Agency NSC National Security Council NSCID National Security Council Intelligence Directive ODM Office of Defense Mobilization ORR Office of Research and Reports OSA Office of Special Activities OSI Office of Scientific Intelligence PBCFIA President's Board of Consultants on Foreign Intelligence Activities P-E Perkin-Elmer Company PFIAB President's Foreign Intelligence Advisory Board PI Photointerpreter PLC Photographic Intelligence Center PID Photo-Intelligence Division PSAC President's Science Advisory Committee RAF Royal Air Force RFP Request for proposal SAB Scientific Advisory Board (USAF) SAC Science Advisory Committee SAC Strategic Air Command S A/PC/DC I Special Assistant to the DCI for Planning and Coordination SAM Surface-to-air missile SEI Scientific Engineering Institute SENSINT Sensitive intelligence (USAF) SLAR Side-looking aerial radar TAS True air speed TCP Technological Capabilities Panel USIB United States Intelligence Board WADC Wright Air Development Command (USAF) WRSP Weather Reconnaissance Squadron, Provisional UNCLASSIFIED
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is under it. 406 pages are in the text index: search them above, or from the library's search.