First independently developed jet breaks sound barrier in California
This week a sleek white jet became the first privately built aircraft to fly faster than sound soaring high above the Mojave Desert as a crowd watched in excitement ...
Oroville Mercury-Register3 天
First independently developed jet breaks the sound barrier over the California desert
The XB-1 aircraft accelerated to Mach 1.05 within about 11 minutes of taking off, according to Boom Supersonic and live video ...