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.
“Donald A. Johnson”17 pages
370 Sec, et NOFOAN Index Khimki rocket-engine plant 105 Khrushchev, Nikita 94, 96, I00-101, 147, 160, 163-164, 168, 179-180, 299 Kiangsi Province 235 Kiangsu Province 229 KICK OFF 198 Kickapoo Joy Juice 45 Kiefer, Eugene P. 7, 9, II, 260, 330 Killian, James R. 27, 29-30, 33-34, 89, 100, 191-192, 263, 292, 330 KINGFISH 270, 273 Kirkpatrick, Lyman B. 190 Kirov, Soviet Union 172,- T76 Kirtland AFB 79 Kissinger, Henry 256 Kistiakowsky, George 171 Klein, Burton 11 Klyuchi, Soviet Union 134 143 KNIFE E~E 167 Knowles, Harold F. 344 Kohler, Foy D. 112 Koko Nor 233 Kola Peninsula 182 Kollman Instrument Company 59 Koon, Ralph E. 79 Korea, demilitarized zone (DMZ) 305 (See also North Korea) Kotlas, Soviet Union 172 Krag, Jens Otto 299 Kratt, Jacob 65, 79, I 16 Kremlin 123 Kunming, China 2"6 Kuybyshev, Soviet Union 164 KWCORK 113 KWEXTRA-00 59 KWGLITTER-00 59 Kyshtym, Soviet Union 176 L L'il Abner 47 L-pills 66, 125 Lahore, Pakistan 135 Lakenheath AFB, England 93 ieeret
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Official release, from the pursue 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.