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
215 Sec, et NOFOAN Chapter 5 wanted no more part of it. The US Government rapidly withdrew its support, and the remaining remnants of the rebellion collapsed. Four years later, the Indonesians freed Pope after Attorney General Robert Kennedy personally appealed to President Sukarno. When the revolt ended, the U-2s returned to Atsugi. On the way back, one of the planes, which was equipped with a System-Y elec tronic intelligence unit, flew along the coast of China to gather data on Communist Chinese radars. '5 China Offshore Islands Dispute of 1958 During the summer of l 958, tension between the People's Republic of China and Nationalist China (Taiwan) increased to such an extent that on 18 June Detachment C mounted a U-2 mission to film the Chinese mainland coast and adjacent island areas. On 11 August, People's Liberation Army (PLA) artillery began bombarding the offshore islands of Quemoy and Little Quemoy, where the Nationalists had stationed large numbers of troops to ward off any invasion. On 23 ~!,!gust the Communists increased the shelling. After five days of intense bombardment, which made resupply of the islands from Taiwan impossible, the PLA commander ordered the Nationalist garrisons to surrender, intimating that an invasion was imminent. The Nationalists refused to surrender and received support from the United States in the form of warships from the 7th Fleet, which began escorting Nationalist ships carrying supplies to the beleaguered garrisons. During this period, Detachment C U-2s flew four missions over the mainland, searching for troop movements that would indicate that the PRC was planning to invade the islands. Photos from these mis sions showed no evidence of a PRC buildup, but the atmosphere in the region remained tense. Detachment C U-2s flew two more mis sions (9 September and 22 October) to monitor PRC troop move ments and again found no indications of preparations for an invasion. The Offshore Islands Crisis receded in late October 1958 after the PRC learned that it would not receive support from the Soviet Union if the crisis escalated into a confrontation with the United States. "6 " Mission folder 1773, (10 June 1958), OSA n:cords, job 67-B-328, box 7 (TS Codeword): OSA History, chap. 15, pp. 25-26 (TS Codeword). ,. OSA History. chap. 15, p. 27 (TS Codeword). -Seeret _
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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.