An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a ...
Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...
An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier An aircraft developed by Boom Supersonic became the first independently funded jet ...
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 ...
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