Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...
A supersonic jet built by US company Boom has broken the sound barrier for the first time since the Concorde during a test ...
Boom Supersonic’s XB-1 demonstrator is set to exceed Mach 1 (770 mph) in a series of four-minute runs above the Mojave Desert ...