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Hypersonic Jets Faster Than Bullet


US military is developing a next generation Hypersonic jet plane that could fly at up to five times the speed of sound that is faster than bullet. The jet could take flight by 2023 builds upon research from a 2013 test flight.

The unmanned Wave rider reached a top speed of Mach 5.1, more than five times the speed of sound, in just over six minutes. US Air Force said at the time the flight was the longest ever for a hypersonic vehicle of its kind.