Watch Boom supersonic jet break sound barrier on path to speed up commercial flights
Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...
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Watch Boom supersonic jet break sound barrier on path to speed up commercial flights
Boom Supersonic's XB-1 demonstrator jet became the first U.S.-made civilian supersonic jet to break the sound ... Airlines. The sound barrier was first broken on Oct. 14, 1947, according to ...