Documents / Official release
This is a Secret History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach of the Central Intelligence Agency, published in 1992. It gives a history of the CIA's manned overhead reconnaissance program from 1954 to 1974, covering the development and operation of the U-2 and the A-12 OXCART aircraft. It covers overflights of the Soviet Union, the 1960 downing of Francis Gary Powers, and later operations. One section is titled "U-2s, UFOs, and Operation BLUE BOOK."
From the source:Release of 2026-06-12 This CIA History Staff document chronicles the complete history of the U-2 and OXCART (A-12) high-altitude reconnaissance aircraft programs from 1954 to 1974, detailing their development, operations over the Soviet Union and other targets worldwide, the famous downing of Francis Gary Powers in 1960, organizational reforms following that incident, and the eventual transfer of operations from CIA to Air Force control. A more redacted version of this document has been available on CIA's public website.
“Sea”42 pages
Setiel NOFOfitN Chapter 6 260 altitudes of 80,000 to 90,000 feet but only at subsonic speeds, just enough to keep it airborne. 1 The slow-flying Northrop design did not solve the problem of radar detection, and in 1957 the emphasis switched to supersonic de signs. In August 1957, the Scientific Engineering Institute (SEI), a CIA proprietary firm that had been working on ways to reduce the U-2's vulnerability to radar, began to investigate the possibility of designing an aircraft with a very small radar cross section. SEI soon discovered that supersonic speed greatly reduced the chances of de tection by radar. 1 From this point on, the CIA's attention focused in creasingly on the possibility of building an aircraft that could fly at both extremely high speeds and high altitudes while incorporating the best ideas in radar-absorbing or radar-deflecting techniques. THE EVALUATION OF DESIGNS FOR A SUCCESSOR TO THE U-2 By the autumn of 1957, Bissell and Gibbs had collected so many ideas for a successor to the U-2 that Bissell asked DCI Dulles for per mission to establish an advisory committee to assist in the selection process. Bissell also felt that the support of a committee of prominent scientists and engineers would prove useful when it came time to ask for funding for such an expensive project. Edwin Land became the chairman of the new committee, which included some of the scien tists and engineers who had served on previous advisory bodies for overhead reconnaissance: Edward Purcell, Allen F. Donovan, H. Guyford Stever, and Eugene P. Kiefer. The Air Force's chief scientist, Courtland D. Perkins, was also a member. The committee first met in November 1957 and held six more meetings between July 1958 and the late summer of 1959. The meetings usually took place in Land's Boston office and almost always included the Air Force's Assistant Secretary for Research and Development, Dr. Joseph V. Charyk, and his Navy counterpart, Garrison Norton. Designers from several air craft manufacturers also attended some of the meetings.3 ' Donovan interview (S). Minnich, "The OXCART Story,"' Studies in Intelligence 15 (Winter 1971 ):2 (S). 'Clarence L. Johnson, Report No. SP-1362, "History of the OXCART Program," Lockheed Aircraft Corporation, Burbank, CA. I July 1968, p. I (TS Codeword). Sacr:at
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Official release, from the pursue 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.