Coba jelasin Pengguna dari Lockheed U-2 dalam bahasa melayu dong

Pentadbiran Angkasa dan Aeronautik Kebangsaan

ABC News Correspondent Gets Rare Chance to Fly as Civilian in Spy Plane" ABC News

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Pedlow, Gregory W. and Donald E. Welzenbach. The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954-1974. Washington, DC: CIA, 1992.

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The World's Great Stealth and Reconnaissance Aircraft. New York: Smithmark, 1991. ISBN 0-8317-9558-1.