Flown by Boom Supersonic’s chief test pilot, Tristan “Geppetto” Brandenburg ... XB-1’s supersonic flight marks the first time an independently developed jet has broken the sound barrier ...
Boom Supersonic aims to "bring supersonic to everyone." GET FOX BUSINESS ON THE GO BY CLICKING HERE XB-1 achieved Mach 0.95 during its most-recent test flight on Jan. 10, according to Boom Supersonic.