NASA X-43
Aircraft model
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The NASA X-43 was an experimental unmanned hypersonic aircraft with multiple planned scale variations meant to test various aspects of hypersonic flight. It was part of the X-plane series and specifically of NASA's Hyper-X program developed in the... Wikipedia
Top speed: 7,366 mph
Engine type: Scramjet
Cost: approximately $230 million
Manufacturers: Boeing Co, Orbital Sciences Corporation, General Applied Science Laboratory, and more
First flight: June 2, 2001
Built by: Micro Craft (airframe); GASL (engine)
Design group: NASA