Encyclopedia Astronautica
D-21


American air-launched drone. Project 'Tagboard', Project 'Senior Bowl'. Mach 3.5 ramjet recoverable reconnaisance drone air-launched from back of A-12 or with booster rocket from B-52.

AKA: D-21; GTD-21B.
Status: Retired.

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Associated Countries
See also
Associated Manufacturers and Agencies
  • Lockheed American manufacturer of rockets, spacecraft, and rocket engines. Lockheed Martin, Sunnyvale, CA, USA. More...

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