The countdown has begun for the XB-1’s “historic” first supersonic test flight that should break the sound barrier, according ...
GREENSBORO, N.C. — The countdown is on for XB-1, the world’s first independently developed supersonic jet, to break the sound ...
Boom Supersonic's XB-1 prototype aircraft achieves supersonic speed, surpassing the sound barrier and paving the way for next ...
Boom Supersonic's XB-1 demonstrator craft will break the sound barrier for the first time during a Jan. 28 test flight, and ...
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