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 Advance”34 pages
Sec,st NOFORN Chapter 2 60 devices had to be calibrated to 80,000 feet. This immediately raised eyebrows at Kollman because its instruments only went to 45,000 feet. Agency security personnel quickly briefed several Kollman offi cials and produced a cover story that the altimeters were to be used on experimental rocket planes. 27 THE CIA - AIR FORCE PARTNERSHIP At the initial interagency meetings to establish the U-2 program in December 1954, the participants did not work out a clear delineation of responsibilities between the CIA and the Air Force. They agreed only that the Air Force would supply the engines and the Agency would pay for the airframes and cameras. With a myriad of details still unsettled, CIA and Air Force representatives began to work on an interagency agreement that would assign specific responsibilities for the program. These negotiations proved difficult. Discussions on this subject between DCI Allen Dulles and Air Force Chief of Staff Nathan Twining began in March 1955. Twining wanted SAC, headed by Gen. Curtis E. LeMay, to run the project once the planes and pilots were ready to fly, but Dulles opposed such an arrangement. The CIA-USAF talks dragged on for several months, with Twining determined that SAC should have full control once the aircraft was deployed. Eventually President Eisenhower settled the dispute. "I want this whole thing to be a civilian operation," the President wrote. "If uni formed personnel of the armed services of the United States fly over Russia, it is an act of war-legally-and I don't want any part of it." 28 With the issue of control over the program settled, the two agen cies soon worked out the remaining details. On 3 August 1955, Dulles and Twining met at SAC headquarters in Omaha to sign the basic agreement, titled "Organization and Delineation of Responsibilities Project OILSTONE" (OILSTONE was the Air Force codename for the project). This pact gave the Air Force responsibility for pilot selection and training, weather information, mission plotting, and operational support. The Agency was responsible for cameras, security, contract ing, film processing, and arrangements for foreign bases, and it also had a voice in the selection of pilots. All aeronautical aspects of the n Ibid. ,. OSA History. chap. 3, pp. 8-15 (TS Codeword): Beschloss, Mayday, pp. 105-107. ieare:&
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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.