jet breaks sound barrier on first supersonic flight

Boom Supersonic, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for ...
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
Boom Supersonic CEO Blake Scholl said the Mach 1.7 Overture will keep the US aviation industry ahead of China in the ...
The test took place over the Mojave Desert in California ... such as New York to London in roughly three hours. The last Concorde flew over 20 years ago now. When it was first introduced in ...