Lockheed D-21
Lockheed D-21 adalah drone pengintai komposit Amerika berkecepatan Mach 3+. D-21 pada awalnya dirancang untuk diluncurkan dari belakang pesawat M-21 varian dari pesawat Lockheed A-12.
Pembangunan dimulai pada Oktober 1962. Awalnya dikenal oleh Lockheed penunjukan Q-12, pesawat tak berawak itu dimaksudkan untuk misi pengintaian yang mendalam di wilayah udara musuh.
Referensi
- Donald, David, ed. (2003). "Lockheed's Blackbirds: A-12, YF-12 and SR-71". Black Jets. Norwalk, Connecticut: AIRtime Publishing. ISBN 1-880588-67-6.
- Goodall, James C. and Nora D. (2002). "Senior Bowl–the Lockeed D-21". International Air Power Review. Norwalk, Connecticut: AIRtime Publishing. 3: 106–119. ISSN 1473-9917.
- Gordon, Yefim (2005). OKB Tupolev: A History of the Design Bureau and its Aircraft. Hinckley, England: Midland Publishing. ISBN 1-85780-214-4.
- Landis, Tony R. (2005). Lockheed Blackbirds. Warbird Tech. 10 (edisi ke-Revised). North Branch, Minnesota: Specialty Press. ISBN 1-58007-086-8.
- Miller, Jay (1995). Lockheed Martin's Skunk Works (edisi ke-Revised). Leicester, England: Midland Publishing. ISBN 1-85780-037-0.
- Pace, Steve (2004). Lockheed SR-71 Blackbird. Swindon: Crowood Press. ISBN 1-86126-697-9.
- Peebles, Curtiss (1999). Dark Eagles: A History of Top Secret U.S. Aircraft Programs (edisi ke-Revised). Novato, California: Presidio Press. ISBN 0-89141-696-X.
- Rich, Ben (1996). Skunk Works. Boston: Little, Brown & Company. ISBN 0-316-74300-3.
Pranala luar
Wikimedia Commons memiliki media mengenai D-21.
- USAF Aircraft Serial Numbers for 1960, including all A-12s, YF-12As and M-21s Diarsipkan 2006-12-19 di Wayback Machine.
- Loss of M-21 and D-21, including video of successful launches and the midair collision
- Directory of U.S. Military Rockets and Missiles
- Weapons of Precise Destruction
- Photos of Lockheed D-21B No. 527 in China Aviation Museum, Beijing Diarsipkan 2012-06-14 di Wayback Machine.