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Hermeus Darkhorse

07/04/2026Press Release:
Hermeus reaches $1 billion valuation with $350 million raise to build today's fastest aircraft for the American warfighter
12/03/2026Press Release:
FAA agents inspect Quarterhorse Mk 2.1.		FAA grants Hermeus Special Airworthiness Certificate for its latest Quarterhorse aircraft
02/03/2026Press Release:
Quarterhorse Mk 2.1 prepares to take its first flight.		Hermeus flies newest supersonic plane, delivering its second successful first flight in nine months
29/05/2025News:
Quarterhorse Mk 1 flight operations underway at Edwards AFB as part of Hermeus’ hypersonic development roadmap.

Quarterhorse Mk 1 takes flight at Edwards as Hermeus pushes hypersonic pace

Hermeus completed testing of its uncrewed prototype in California and has begun integrating data into the forthcoming Quarterhorse Mk 2.

09/01/2025News:
Testing the Pratt & Whitney F100 engine.

Hermeus launches HEAT testing facility for hypersonic engines

The facility aims to reduce testing costs and capacity constraints, while supporting the development of next-generation hypersonic aircraft.

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