https://defense-update.com/20250602_hermeus-quarterhorse-mk-1-hypersonic-demonstrator-achieves-first-flight-at-edwards-afb.html
Jun 2, 2025 - Hermeus Corporation achieved the first flight of its Quarterhorse Mk 1 hypersonic demonstrator on May 27, 2025. Quarterhorse Mk 1 went from a clean sheet to...
first flighthermeusquarterhorsemkhypersonic