Boom’s XB-1 becomes first civil aircraft to go supersonic
Boom Supersonic's XB-1 demonstrator plane just went supersonic in the skies over California's Mojave Desert, making it the ...
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.