The XB-1 took off from Mojave Air & Space Port in California and exceeded Mach 1 at an altitude of approximately 35,000 feet.
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 ...
Boom's Supersonic XB-1 demonstrator aircraft is the first civil aircraft to break the sound barrier since the Concorde.
Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...
XB-1’s supersonic flight took place in the same historic airspace where Chuck Yeager broke the sound barrier for the first ...
The aerospace company put its technology to the test today, breaking the sound barrier and reviving the dream of supersonic ...