First independently developed jet breaks the sound barrier over the California desert
A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...
National Post4d
XB-1 becomes first independently developed jet to break the sound barrier
Tuesday’s flight happened in the same airspace where in 1947 Charles “Chuck” Yeager became the first person to break the sound barrier, piloting an orange, bullet-shaped Bell X-1 rocket plane.