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NASA's X-59 'quiet' supersonic jet test fires engine for 1st time
NASA's revolutionary X-59 jet is steadily progressing toward its first flight test after completing a set of engine run tests ...
NASA testing new X-59 aircraft engines, designed to fly supersonic speeds without the sonic booms
NASA has marked a major milestone in its creation of an experimental aircraft. A team has started engine testing for the X-59 ...