Lockheed Martin designed NASA's Quesst mission. An experimental aircraft called X-59 is being tested as a significant part of ...
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NASA, Lockheed's Supersonic X-59 ‘Returned Prematurely' on Second Flight
Supersonic test aircraft aimed to reach 260 mph at altitude of 20,000 feet.
NASA's experimental supersonic X-59 jet designed to travel faster than the speed of sound is preparing for its second flight from California.
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