Documents / FOIA release
This is a CIA History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach, published in Washington in 1992 and approved for release in 2011. It covers the CIA's manned overhead reconnaissance program from 1954 to 1974, which developed and flew the U-2 and the A-12 OXCART. It traces the U-2's development, the overflights of the Soviet Union, the downing of Francis Gary Powers on 1 May 1960, and later operations. One section is titled U-2s, UFOs, and Operation BLUE BOOK.
“US Navy”11 pages
Bibliography 351 005653421 UNCLASSIFIED Sturm, Thomas A. The USAF Scientific Advisory Board: Its First Twenty Years, 1944-1964. Washington, DC: USAF Historical Office, 1967. Twining, Nathan F. Neither Liberty nor Safety. New York: Holt, Rinehart & Winston, 1966. United States Air Force. Project LINCOLN. BEACON HILL Report: Problems of Air Force Intelligence and Reconnaissance. Massachusetts Institute of Technology, 15 June 1952 (Secret, downgraded to Confidential). United States Congress. Senate. Foreign Relations Committee. Executive Sessions of the Senate Foreign Relations Committee (Historical Series), vol. 12, 86th Congress, 2nd Session, "Report on the U-2 Incident," 6 March 1962 (declassified 1982). United States Congress. Senate. Select Committee to Study Governmental Operations with Respect to Intelligence Activities. Foreign and Military Intelligence. Book 1. Washington. DC: US Government Printing Office, 1976. United States Office of Defense Mobilization. Science Advisory Committee. Technological Capabilities Panel. Meeting the Threat of Surprise Attack, 14 February 1955. (Top Secret/Restricted Data, downgraded to Secret). "US Representations to the Soviet Government on C-130 Transport Shot Down by Soviet Fighter Aircraft." US Department of State Bulletin, 23 February 1959, pp. 262-271. ED 129581.61111111>1010<25Yrs Wise, David and Thomas B. Ross. The U-2 Affair. New York: Random House, 1962. UNCLASSIFIED
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FOIA release, from the cia-readingroom 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.