In the early 2000s, NASA was among the first to achieve sustained hypersonic flight. As part of the broader Hyper-X program, ...
NASA’s X-43D was designed to fly at speeds approaching Mach 15 — roughly 11,000 miles per hour — using a hydrogen-fueled ...
Air Force engineers are scratching their ends after a test flight of an experimental hypersonic X-plane ended last month prematurely when the vehicle failed to reach full power. A rocket successfully ...
Reuters reported that an experimental scramjet engine was successfully tested in a joint effort between the US and Australia defense scientists. It attained speeds of up to 6,835 miles (11,000 km) per ...