Hypersonic developer Hermeus has completed the first flight with its Quarterhorse Mk 1 test vehicle. The US start-up announced the much anticipated milestone on 27 May, noting the inaugural sortie ...
The high-speed uncrewed test aircraft performed its first flight at Edwards AFB, just a year after the launch of the development. Hermeus, a U.S. company aiming to develop hypersonic aircraft quickly ...
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