Documents / FOIA release
This is a CIA History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach, published in Washington in 1992 and approved for release in 2011. It covers the CIA's manned overhead reconnaissance program from 1954 to 1974, which developed and flew the U-2 and the A-12 OXCART. It traces the U-2's development, the overflights of the Soviet Union, the downing of Francis Gary Powers on 1 May 1960, and later operations. One section is titled U-2s, UFOs, and Operation BLUE BOOK.
“US Navy”11 pages
ED 129581.61d1111>10101015Yrs Washington.° [SI On 10 December, Bulgaria was the target of two U-2 missions, one (4018) from Detachment B at Adana and another (2029) from Detachment A Bulgarian fighter aircraft made 10 dif- ferent attempts to intercept e first mission, but the flight proceeded without difficulty.° E0129581.6191111>1010<25Yrs • Andrew J. Goodpaster. Memorandum of Conference with the President. November 15, 1956, WHOSS, Alpha, DDEL (TS): Ambrose. Eisenhrmer: The President. p. 374. • Mission folder 4016, 20 November 1956, OSA records (TS Codeword). • Mission folders 2029 (10 December 1956) and 4018 (10 December 1956). OSA re- rTS Ccxieword).cords, UNCLASSIFIED
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FOIA release, from the cia-readingroom 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.