Despite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it ...

including the Martin XB-51, the North American B-45 Tornado, and the AJ Savage. However, in an effort to accelerate the process, the Air Force would only consider aircraft that already existed.

In a stunning, glowing image, NASA has captured the moment that Boom Supersonic’s XB-1 demonstrator broke the sound barrier ...