On November 3, 1965, Major Robert Rushworth made the first flight of the modified X-15A-2 rocketplane, reaching Mach 2.31 ...

Initial flying qualities and air data performance were verified during the X-59’s flight, which will be expanded over the ...

Russia’s nuclear-powered 9M730 Burevestnik (SSC-X-9 Skyfall) is a low-altitude, long-endurance cruise missile, with a claimed ...