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Image of prototype XB-1 caught breaking the sound barrier
Boom Supersonic sans the sonic boom: The XB-1's quiet Mach 1 flight
Boom’s XB-1 becomes first civil aircraft to go supersonic
Boom Supersonic's XB-1 prototype aces 2nd test flight
Boom's XB-1 supersonic jet has been authorized to break the speed of sound
Boom's XB-1 Supersonic Demonstrator Makes First Flight
