来自MSN17 分钟
Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos)
Boom Supersonic's XB-1 pathfinder vehicle went out in style on Monday (Feb. 10), breaking the sound barrier three times on its 13th and final test flight.
Interesting Engineering on MSN54 分钟
Watch: Boom Supersonic jet breaks sound barrier without sonic booms in final test
Boom CEO Blake Scholl confirmed that on January 28, the XB-1 successfully broke the sound barrier three times without ...