WYSO7h
The company planning a successor to Concorde makes its first supersonic test
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
Boom XB-1 Achieves Supersonic Flight—First Time Since Concorde In 2003
Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.
Live Science10h
Boom Supersonic XB-1 smashes the sound barrier, becoming the 1st civil aircraft to go supersonic in US history
By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...