A "son of Concorde" that could fly from London to New York in under four hours has passed a milestone test. NASA’s X-59 quiet supersonic research aircraft flew with its "wheels-up" for the first time ...
Daily Mail on MSN
NASA's 'Son of Concorde' breaks the sound barrier: $247 million supersonic jet hits 713mph
NASA's 'Son of Concorde' supersonic aircraft has broken the sound barrier for the first time, paving the way for ultra-fast ...
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