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.
“The Pentagon”12 pages
366 Sec, el "10FOAl\i Index Goering, Hermann 66 Goldmark, Peter C. 18 golf balls - 50 Goodpaster. Andrew J. 89. 97. 100. 105-106. 109, 120. 126 128, 144. 146. 167. 172,187,329 Grace. Frank G. 80 GRANDSLAM 170. 172. 174-175 Granger Company 336 GRC- 127 205 Great Britain 3. 7, 23. 93-95. 112-113. 115. 117. 120. 153-156. 181. 303. 319 Air Ministry 94. 155 counterintelligence operative 94 - Greyhoun<I bus 289 Groom Lake 56. 66. 133 Groton 15 !!round resolution - 281-282. 250 Guatemala . 157 "guided democracy" 212 Gulf Coast 254 Gulf of Finland 142 Gulf of Tonkin Resolution 231 2ust control - 47 GUSTO 274 H H camera 244. 247. 253. 256. 282 Hagerstown, Maryland 9 Haiphong Harbor 247 H:ilaby. Najeeb E. 289 Hall. Wiliam 117. 119. 143 Haller-Raymond-Brown (HRS) 335 "handing off' 87 [__"hanger queen" 175 Harvard University 18. 21-22. 29, 50-51. 327. 129 !Harvard College Observatory 21 IHawk-750 glider kit 342 haze filters 105 IHBJARGON 175-176 IHBJGO 176 heavy water 19 Helms. Richard M. 253. 256. 304-305, 309-310. 329 HEN HOUSE 168 HEN ROOST installations 168 Hener. Christian 127. 163 " hiding in the open" 55 high-acuity cameras 2 1, 50-51. 327 high-altitude air sampling (H ASP) 219 hi!!h-altitude aircraft - 4. 8. 16. 24. 59. 148. 304 ..Seecet
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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.