Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed supersonic jet. The company is also working on a supersonic passenger airliner.
A private company aiming to build the first supersonic ... Concorde retired more than two decades ago achieved its first sound-barrier-busting flight over California's Mojave desert on Tuesday ...
DENVER (KDVR ... Tristan “Geppetto” Brandenburg who is a native of Colorado, flew the XB-1 into the supersonic corridor and climbed to an altitude of 35,290 feet. Once he hit that elevation ...
THE 'Son of Concorde' XB-1 jet is set to take off on its inaugural supersonic flight today, where it will break the sound barrier for the first time. Bosses at Colorado-based Boom Technology ...