最高速度可達3.35馬赫。侦察机于1962年4月首飞，侦察机A-12计划最终于2007年被中央情报局开始解密。侦察机 参见 参考文献 注释 引文 参考书目 Donald,侦察机 David, ed. "Lockheed's Blackbirds: A-12, YF-12 and SR-71". Black Jets. Norwalk, Connecticut: AIRtime, 2003. ISBN 1-880588-67-6. Jacobsen, Annie. Area 51. London: Orion Publishing, 2011. ISBN 978-1-4091-4113-6. Jenkins, Dennis R. Lockheed Secret Projects: Inside the Skunk Works. St. Paul, Minnesota: MBI Publishing Company, 2001. ISBN 978-0-7603-0914-8. Landis, Tony R. and Dennis R. Jenkins. Lockheed Blackbirds. Minneapolis, Minnesota: Specialty Press, revised edition, 2005. ISBN 1-58007-086-8. McIninch, Thomas. "The Oxcart Story." Center for the Study of Intelligence, Central Intelligence Agency, 2 July 1996. Retrieved: 10 April 2009. Pace, Steve. Lockheed SR-71 Blackbird. Swindon, UK: The Crowood Press, 2004. ISBN 1-86126-697-9. Robarge, David. Archangel: CIA's Supersonic A-12 Reconnaissance Aircraft. Washington, D.C.: Central Intelligence Agency, 2008. ISBN 1-92966-716-7. 其他资源 Graham, Richard H. SR-71 Revealed: The Inside Story. St. Paul, Minnesota: MBI Publishing Company, 1996. ISBN 978-0-7603-0122-7. Johnson, C.L. Kelly: More Than My Share of it All. Washington, D.C.: Smithsonian Books, 1985. ISBN 0-87474-491-1. Lovick, Edward, Jr. Radar Man: A Personal History of Stealth. Bloomington, Indiana: iUniverse, 2010. ISBN 978-1-4502-4802-0. Merlin, Peter W. From Archangel to Senior Crown: Design and Development of the Blackbird (Library of Flight Series). Reston, Virginia: American Institute of Aeronautics and Astronautics (AIAA), 2008. ISBN 978-1-56347-933-5. Pedlow, Gregory W. and Donald E. Welzenbach. The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954–1974. Washington, D.C.: Central Intelligence Agency, 1992. ISBN 0-7881-8326-5. Rich, Ben R. and Leo Janos. Skunk Works: A Personal Memoir of My years at Lockheed. New York: Little, Brown and Company, 1994. ISBN 0-316-7433. Shul, Brian and Sheila Kathleen O'Grady. Sled Driver: Flying the World's Fastest Jet. Marysville, California: Gallery One, 1994. ISBN 0-929823-08-7. Suhler, Paul A. From RAINBOW to GUSTO: Stealth and the Design of the Lockheed Blackbird (Library of Flight Series). Reston, Virginia: American Institute of Aeronautics and Astronautics (AIAA), 2009. ISBN 978-1-60086-712-5. 外部链接 大天使：CIA的超音速A-12侦察飞机——大卫·巴尔（Cia.gov） FOIA documents on OXCART (Declassified 21 January 2008) "Sheep Dipping" Conversion of Air Force Officers to CIA For Project Oxcart A-12 page on RoadRunners Internationale site A-12T Exhibit at California Science Center Differences between the A-12 and SR-71 Blackbird Spotting maps the location of every existing Blackbird, with aerial photos from Google Maps Photographs and disposition of the "Habu" aircraft at habu.org The U-2's Intended Successor: Project Oxcart (Chapter 6 of "The CIA and Overhead Reconnaissance", by Pedlow & Welzenbach) USAF Aircraft Serial Numbers for 1960, including all A-12s, YF-12As and M-21s "The Real X-Jet", Air & Space magazine, March 1999 Secret A-12 Spy Plane Officially Unveiled at CIA's Headquarters Project Oxcart: CIA Report 洛克希德飞机 美国侦察机 信号情报 1960-1969年美国军事侦察飞机 双喷气式飞机 雙發噴射機 黑计划飞机的侦察机最终任务是在1968年5月飞空执行，A-12产于1962年到1964年，侦察机
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