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.
“Indian Air Force”3 pages
351 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 l. 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. 262-27 l. Weber, Karl H. The Office of Scientific Intelligence, 1949-68. Directorate of Science and Technology Historical Series OSI- l. CIA: DS&T, 1972 (Top Secret Codeword). Welzenbach, Donald E. "Observation Balloons and Weather Satellites." Studies in Intelligence 30 (Spring 1986): pp. 21-28 (Secret). White, James J. "Francis Gary Powers-The Unmaking of a Hero, 1960-1965." (draft) CIA: History Staff, 1974 (Secret). Wise, David and Thomas B. Ross. The U-2 Affair. New York: Random House, 1962. Seeret PWFQR~ Bibliography Se«.Fet
Not linked to a story yet.
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.