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.
“Canberra”8 pages
CO5653421 UNCLASSIFIED (0 12958 6.11c1<10Yrs Warning Notice Intelligence Sources or Methods Involved (WNINTEL) National Security Information Unauthorized Disclosure Subject to Criminal Sanctions Dissemination Control Abbreviations NOFORN (NF) Not releasable to foreign nationals NOCONTRACT (NC) Not releasable to contractors or contractor/ consultants PROPIN (PR) Caution—proprietary information involved ORCON (0C) Dissemination and extraction of information controlled by originator REL... This information has been authorized for re- lease to... WN WNINTEL—Intelligence sources and meth- ods involved- Classified b Declassify: Derived from multiple sources All material on this page is Unclassified. 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.