National Security Journal on MSN
NASA’s X-43D was designed to fly at Mach 15 — engineers warned the aircraft would have literally melted in flight
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 ...
According to the U.S. Air Force, the flight test for the experimental X-51A WaveRider plane which could potentially travel up to 4500mph has resulted in failure. As previously reported on SmartPlanet, ...
National Security Journal on MSN
NASA’s first X-43A crashed into the Pacific in 2001 — the two that followed set hypersonic records no aircraft has beaten in 22 years
In the early 2000s, NASA was among the first to achieve sustained hypersonic flight. As part of the broader Hyper-X program, ...
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 ...
Scramjet from Popular Science. The first true reusable, free-flying scramjet could be Darpa's HTV-3X. It is also known as Blackswift. The HTV-3x could make its inaugural flight as early as 2012.
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