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.
“Hill”15 pages
6ec1 el NOFORN Index 364 Evang, Vilhelm 142 EVEN STEVEN 256 Executive Branch 109 exotic fuels 263 F F-100 fighter 71 F- I02 fighter 270 F- I04 fighter 10-1 I, 45, 329 F- I06 fighter 270, 284 F- I08A Rapier 285 F-111 tighter 312 Fairbanks. Alaska 134 - Fairchild K-19 aircraft 49 FAN SONG acquisition radar 234 Far East 3, 110, 133-134. 140, 144. 190, 197. 201. 216. 224, 233-234. 242-243. 301,305.316. 320, 332. "Fast Move" operations 216 Federal Aviation Administrator 289 Federal procurement cycle 44 "ferret" equipment 3, 335 ferret flights 123 FFD-1 238 FFD-2 238-239 FFD-4, 282. 238 FICON 22 Field Activities, Deputy for 192 5412 Committee 188, 226 fighter 4, I0, 14, 22. 66, 74-75. I08, I 24, 146, 177. 182. 201. 214,312,317, 328-329 fighter conversion 22 Fili airframe plant 105 fillets 277, 288-289 film I. 31-32, 49. 51-53, 55. 60, 100. 108, 114-115. 119-121. 145,153,179, 209, 215, 218. 221-222, 226. 235-236, 239,241,247, 249-250. 254, 281-282. 306, 310-311. 316. 330 film processing 60, 121. 247 film-transport system 55 Firewel Company 63 First Weather Reconnaissance Squadron, Provisional (WRSP-1) 94 Fischer, C. W. 309 FISH 250. 263. 268-269, 312 FISH HAWK 249-250 Flickinger, Donald D. 62 FLIPTOP 198 "Flit" 62 Florida 198 flying boat 270 focal-length cameras 13 focal-length lenses 51 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.