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Boom Supersonic XB-1 Jet Sets Speed Record in 7th Test FlightSupersonic flight is on the verge of a comeback¹, and Boom Supersonic’s latest test flight just took us a step closer. With ...
During the Nov. 5 test flight, which lasted 55 minutes, XB-1 reached an altitude of 23,015 feet (7,015 meters) and a new top ...
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