Boom Supersonic's XB-1 jet went out in style on Monday (Feb. 10). The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave ...
But while the successful test flight of XB-1 shows that supersonic flight without sonic booms is technically feasible, the ...
"XB-1 broke the sound barrier three times during its first supersonic flight – without an audible boom," said Blake Scholl, Boom Supersonic's Founder and CEO.