Documents / FOIA release
This is a CIA History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach, written in 1992 and approved for release in 2011. It covers the CIA's manned overhead reconnaissance program from 1954 to 1974 and its two aircraft, the U-2 and the A-12 OXCART. It follows their development, the overflights of the Soviet Union, the downing of Francis Gary Powers in 1960, and later operations. One section is titled "U-2s, UFOs, and Operation BLUE BOOK."
“The Pentagon”9 pages
005653421 UNCLASSIFIED Designs for the Air Force competition for a high-altitude reconnaissance aircraft Chapter 1 10 Lockheed also submit a design. Carter noted that the proposed aircraft would have to reach altitudes of between 65, 000 and 70,000 feet and correctly forecast, -If extreme altitude performance can be realized in a practical aircraft at speeds in the vicinity of Mach 0.8, it should be capable of avoiding virtually all Russian defenses until about 1960." Carter added, "To achieve these characteristics in an aircraft which will have a reasonably useful operational life during the period before 1960 will, of course, require very strenuous efforts and extraordinary procedures, as well as nonstandard design philosophy." Some of the "nonstandard" design characteristics suggested by Carter were the elimination of landing gear, the disregard of military specifications, and the use of very low load factors. Carter's memorandum closed with a warnin g that time was of the essence: "In order that this spe- cial aircraft can have a reasonably long and useful life, it is obvious that its development must be greatly accelerated beyond that consid- ered normal." Lockheed's senior officials approved Carter's proposal, and early in 1954 the corporation's best aircraft designer—Clarence L. (Kelly) Johnson—began working on the project, then known as the CL-282 but later to become famous under its Air Force designator— the U-2. Already one of the world's leading aeronautical engineers, Kelly Johnson had many successful military and civilian designs to his credit, including the P-38, P-80, F-104, and Constellation. Johnson quickly came up with a radical design based upon the fuselage of the F-104 jet fighter but incorporating a high-aspect-ratio sailplane wing. To save weight and thereby increase the aircraft's al- titude, Johnson decided to stress the airframe to only 2.5 units of " Miller. Lockheed U-2, p. 12. UNCLASSIFIED
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FOIA release, from the cia-readingroom 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.