Supersonic aircraft
XB-1 jet breaks sound barrier in bid for “return of commercial supersonic flight”
NASA and Lockheed Martin unveil “quiet supersonic” jet
NASA’s “nearly silent” supersonic X-Plane goes into production
Supersonic Boom aircraft will be the “fastest passenger plane ever”
Virgin Galactic’s high-speed Mach 3 aircraft will usher “a new frontier in high-speed travel”
Boeing unveils design for hypersonic passenger plane
NASA is developing a quiet supersonic passenger jet for overland flights
