Boom Supersonic's XB-1 jet just broke the sound barrier. Achieving Mach 1.112 is a milestone for the aerospace brand, which ...
A sleek white aircraft ... the sound barrier Tuesday, tearing through the air tens of thousands of feet above the Mojave ...
A sleek white aircraft became the first independently developed jet to break the sound barrier Tuesday ... Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and ...