A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...
Denver-based Boom Technology's XB-1 demonstrator plane hit Mach 1.122 — 750 mph. It's the first independently developed ...
From noon to nearly midnight, they hunched over more than a dozen machines in Concord, trying to score as many points as ...
An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier ...