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.
“Siberia”2 pages
382 Sec, el l'(IOFORl'.J Index Soviet Union 1-3, 4-7. 14-27. 31, 39, 65, 81-89, 93-101. 104-106. 108-112. 120, 122-124, 126-130, 133-135, 137- 140, 142-149. 152-157, 159-165, 167-168. 170-172. 174-183. 186-187, 189, 195-197. 200-201, 205-206, 209-211, 215. 219,221,225,232,237, 247, 254, 259. 294, 297-299, 301, 303-304, 312. 315-320, 322. 329-330, 332. 335-336. 339,341,344 activity in Cuba 200,201 air defense system 2. 3. I08. I68. I70, 317 air power of the 20 air show 98 atomic energy program 317 bomber 21. 11 I. 167. 317 borders 123, 127, 143 diplomatic protests 315- - electronic defenses 317 fighters 3. 5. 23, 26. I27. 144 G-class ballistic-missile submarine 237 guided missile and nuclear programs 135 guided missile research 99 guided missiles 81. 99 guided-missile test range 16 intentions 4. 318 intercept attempts 142 interception of U-2 19, 24-25. 47. 87. 106, 108. 110. 122. 127, 134. 144. I70, 244. 270. 3 I5, 339 medium-range ballistic missiles 201, 206 missile program 128. I59- I61. 163-164 missile test range 16. 23, 143, 164. 167, 176 overflight operation 110 propaganda campaign 317 Protest Note 109 radar coverage 106 radars 3. 7. 15, 97. 130, 134, 168. 176. 259. 339 rail network 167 strategic capabilities 2. 19 Supreme Soviet 179 surface-to-air missile (SAM) 177, 168, 304 surprise attack 19. 26-27, 89. 147, 159, 329-330 Soviet-Finnish border 303. 142 Soviet-Iranian border 124. 162-163. 168 Special Activities. Director of 193 Special Activities (OSA). Office of 43. 192-193, 207. 234-235. 242. 247. 252. 257,288. 296-297, 299. 303. 312. 328. 341-342. 344 Special Assistant for National Security Affairs 188 Special Assistant to the DCI 40 "special" missions 116 Special Operations Division 192 Spica. Incorporated 51 spotting camera 282 Sputnik 159 SQUARE DEAL 168. 170 Sec,et
Not linked to a story yet.
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.