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 ...
The YFQ-44’s first flight follows the one of the YFQ-42A by General Atomics Aeronautical Systems in August 2025. Both unmanned aircraft were initially expected to enter flight testing by the end of ...