Hermeus - Defence Industry Europe

Pratt & Whitney authorizes Hermeus to produce F100 fighter engines, expanding U.S. manufacturing for F-15, F-16 and Quarterhorse

Hermeus targets lower-cost high-Mach testing with reusable Quarterhorse launch aircraft and expendable Ramjet-X test vehicle

September 11, 2026

Hermeus Quarterhorse Mk 2.1 reaches mach 1.21 in company’s first unmanned supersonic flight

May 27, 2026

Hermeus raises $350 million, reaches $1 billion valuation to accelerate development of high-speed military aircraft

April 7, 2026

Hermeus completes first flight of Quarterhorse Mk 2.1, beginning supersonic test campaign in New Mexico

March 3, 2026

Hermeus achieves milestone with first flight of Quarterhorse Mk 1 hypersonic aircraft

Hermeus, a U.S.-based aerospace and defence technology firm, has announced the successful flight of its Quarterhorse Mk 1 aircraft.

May 28, 2025

Hermeus unveils cutting-edge hypersonic testing facility in Florida [VIDEO]

Hermeus, a pioneering aerospace and defence company specialising in high-speed aircraft, has announced the successful launch of its High Enthalpy Air-Breathing Test Facility (HEAT) at Cecil Airport.

January 11, 2025

Hermeus: Quarterhorse Mk 1 completes ground testing at Edwards AFB [VIDEO]

Hermeus announced the completion of the ground portion of the flight test campaign for Quarterhorse Mk 1.

December 18, 2024

Hermeus unveils first aircraft, Quarterhorse Mk 1

Hermeus, the company operationalizing hypersonic aircraft, has unveiled its first aircraft — Quarterhorse Mk 1 — which will take flight later this year.

April 2, 2024