For the first time, a privately developed aircraft has flown faster than sound
High above a barren California desert on Tuesday, a privately developed aircraft broke the sound barrier for the first time when Boom Supersonic's XB-1 demonstrator reached Mach 1.122.
Boom Supersonic breaks sound barrier for the first time
Boom Supersonic passed a major milestone Tuesday on its path to reintroduce supersonic commercial flights. After years of ...