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.
“Cairo”2 pages
358 &ee,et NQFQRN Index Baltic Sea 3, 303 Baltic states 104 Baltimore; Maryland 6, 9 Barents Sea 140, 142, 172 Bamesi~rcv barrel roll,.._s____, 76 Batlin, Alex 66 Bay of Bengal 231 Bay of Pigs 191. 197-199, 205 Baykonur. Soviet Union 137 Beacon Hill 17-19. 21. 24, 3 1-32. 331-33'.! BEACON HILL Report 17. 19. 21. 24 BEACON HILL Study Group 18, 21 Beechcraft 56. 187 Beerli. Stanley W. I 9'.?. 196 Beijing, China (see Peiping. China) 228-229 Bell Aircraft Corporation 9 Bell Laboratories 18 Bell Telephone Laboratories 29 " bends" 64 Bennington. Herbert 309 Benton, William 299 Berezovskiy. Soviet Union 138 Berlin, Gennany 16. 20. 127, 147, 162. 183. 196 Berlin crisis 147, 196 BGMARQUE 222 bhangmeter 240 BIRDWATCHER 235 Bison bomber 20-21. 27, 31, 98. 105. 111 Bissell. Richard M .. Jr. 15- 16. 30. 39-41. -B-44. 56. 59. 61. 66, 69-70. n, 74, 78, 81-82. 89, 93, 95. 100-101. 104-106, 109- 110, 121-122. 124. 127-128. 135. 139. 148.. 154-1 57. 162. 168. 170. 172. 174, 178-179. 187. 191- 192. 196. 214. 216. 224, 259-260, 262-263. 267. 277-278. 283. 285, 286-287. 289, 295. 327. 328-329, 330-331 Bissell's Narrow-Gauge Airline 72 "black books" 188 "black" contracts 285 BL ACK KNIGHT 126. 134 Black Sea 85. 126. 133. 1-1-l. 153 BLACK SHIELD 301 Blip/Scan Racio 267-268 BLUE BOOK 72-73 Board of Inquiry 184 Bodo AFB. Norway 142. 172. 176- 177 Boeing RB-47 3 Boeing KC-1 35 7 1 bomb damage 49 bomber 2-3. 5. 20-23. 26. 31. so, 66, 98, 105. 109. 111. 140. 167, 214. 262-263. 269. 279, 293. 316-317 Bomber Gap 31.111.316
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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.