Boom breaks sound barrier

Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.
Today’s a day I’ve been looking forward to for more than a decade,” said Blake Scholl, Boom's visionary founder and chief ...
THE ‘Son of Concorde’ XB-1 jet is set to take off on its inaugural supersonic flight next week, where it will break the sound ...