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
385 television reconnaissance package 343 Tennessee 78,238 tent-ology 116 test ban 147 Tet offensive 243 Texas Instruments Corporation 238, 282 Third World 211 three-camera trimetrogon unit 52 three-dimensional movies 29 3000 I camera 333 303 Committee 243, 257, 301-302, 304, 307 Thule, Greenland 172 Tibet 157, 216, 219, 232 99 TIME STEP 172, 174 Titan ICBM 160 titanium alloy 271 Titanium Metals Corporation 280 TOKEN 87 Tomsk, Soviet Union 138 TOPPER 219 TOUCHDOWN 163 Toulon, France 116 tracker camera 241 SeoFet NOFORN Index tracking 3, 7, 52-53, 87, 97, 106, 128-129, 144, 170, I76, 178, 234, 259, 263, 267-268, 303,307,343 tracking radars 7,267 Trans-Siberian Railroad 144 transport aircraft 25, 45, 66 traveling-wave tube (TWT) 236 trimetrogon K-17 mapping-camera system 49 Tripartite Declaration, 1950 117 tropopause 152 Truman administration 17 TRW Corporation 335 Tuamotu Archipelago 249 "Tuesday lunch" 305 Tukey, John W. 29 turbojet engine 8, 11, 262, 268, 343 Turkey 3, 112-114, 116, 121,135,146, 152-153, 178, 181, 189,247, 316,319 Tuslog Detachment I0-10 113 Twining, Nathan 60-61, 86, 88, 96, 99, 101, 127, 134, 139, 161, 165 Tyler Building 43 Type-I camera 281, 304, 310 Type-II camera 281 Type-IV camera 282 Typhoon Winnie 216 Tysons Comer, Virginia 43
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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.