Boom Supersonic’s XB-1 demonstrator plane just went supersonic in the skies over California’s Mojave Desert, making it the first civil aircraft to break the sound barrier. The American startup’s plane ...
GREENSBORO, N.C. — Boom Supersonic’s XB-1 took its last test flight on Monday. The aircraft started its flight around 1:30 p.m. on Feb. 10. It was the 13th and final flight for the aircraft. In ...
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