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.
“Mission Control”27 pages
Secret l\10FeAN PREFACE When the Central Intelligence Agency came into existence in 1947, no one foresaw that, in less than a decade, it would undertake a major program of overhead reconnaissance, whose principal purpose would be to fly over the Soviet Union. Traditionally, the military services had been responsible for overhead reconnaissance, and flights deep into unfriendly territory only took place during wartime. By the early I 950s, howe v,er, the United States had an urgent and growing need for strategic :intelligence on the Soviet Union and its satellite states. At great risk, US Air Force and Navy aircraft had been conducting peripheral reconnaissance and shallow-penetration overflights, but these missions were paying a high price in lives lost and increased international tension. Furthermore. many important areas of the Soviet Union lay beyond the range of existing reconnais sance aircraft. The Air Force had therefore begun to develop a high-altitude reconnaissance aircraft that would be able to conduct deep-penetration reconnaissance missions over the Soviet Union. President Dwight D. Eisenhower and his civilian scientific advisers feared that the loss of such an aircraft deep in Soviet territory could lead to war and therefore authorized the development of new non military aircraft, first the U-2 and later the A-12 OXCART, to be manned by civilians and operated only under cover and in the greatest secrecy. Primary responsibility for this new reconnaissance program was assigned to the Central Intelligence Agency, but the Air Force provided vital support. The Agency's manned overhead reconnaissance program lasted 20 years. It began with President Eisenhower's authorization of the U-2 project in late 1954 and ended with the transfer of the remaining Agency U-2s to the Air Force in 1974. During this period the CIA developed a successor to the U-2, the A- 12 OXCART, but this ad vanced aircraft saw little operational use and the program was canceled in 1968 after the Air Force deployed a fleet of similar air craft, a military variant of the A-12 called the SR-71. Neither of these aircraft remai ns secret today. A great deal of in formation about the U-2 and its overflight program became known to the public after I May 1960, when the Soviet Union shot down a CIA U-2 and publicly tried its pilot. Francis Gary Powers. Four years See,et
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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.