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 ...
DENVER (KDVR) — A Denver-based supersonic jet company became part of history when it became the company behind the first civil manufactured jet in the United States to hit supersonic speeds. Boom ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback