Quarterhorse, Hermeus' autonomous, high-speed aircraft, is slated to fly for the first time this summer. (Hermeus) Hypersonic aircraft startup Hermeus unveiled its Quarterhorse aircraft on Thursday at ...
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NASA’s X-59 Clears Key Speed Test for First Flight
NASA’s X-59 quiet supersonic aircraft achieved a significant milestone in March 2025, successfully completing its engine speed hold test at Armstrong Flight Research Center on Edwards Air Force Base.
Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound barrier. The independently funded XB-1 reached a speed of Mach 1.122, or about 750 mph, ...
The jet, built by Lockheed Martin’s Skunk Works, took off from US Air Force Plant 42 in Palmdale, California. Flown by Nils ...
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