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.
“The Pentagon”12 pages
. 12 Sec,et NOFORN Chapter 1 The Lockheed CL-282 Development Planning. According to Wienberg, General LeMay stood up halfway through the briefing, took his cigar out of his mouth, and told the briefers that, if he wan1ted high-altitude photographs, he would put cameras in his B-36 bombers and added that he was not interested in a plane that had no whe:els or guns. The general then left the room, remarking that the whole business was a waste of his time." Meanwhile, the CL-282 design proceeded through the Air Force development channels and reached Major Seaberg at the Wright Air Development Command in mid-May. Seaberg and his colleagues care fully evaluated the Lockheed submission and finally rejected it in early June. One of their main reasons for doing so was Kelly Johnson's choice of the unproven General Electric J73 engine. The engineers at Wright Field considered the Pratt aind Whitney J57 to be the most powerful engine available, and the de:signs from Fairchild, Martin, and Bell all incorporated this engine. The: absence of conventional landing gear was also a perceived shortcoming of the Lockheed design." Another factor in the rejection of Kelly Johnson's submission was the Air Force preference for multiengine aircraft. Air Force re connaissance experts had gained their practical experience during " C. F. Wienb<!rg. telephone conversation with Donald E. Welzenbach. 23 July 1988 (U). " Miller. Lockheed U-2. p. 12. See1et
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 406 pages are in the text index: search them above, or from the library's search.