Mission

Reclaiming the lost art of rapid iterative prototyping to build fast and powerful aircraft on relevant timelines, delivering the high-speed systems our nation and its allies need to command the skies and deter global threats.

Product

Our Mission Plane is a multipurpose, high-Mach platform that translates our validated technology into a mission-ready aircraft built for the American warfighter.

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Propulsion

Pratt & Whitney F100 

Thrust: 29,160 pounds (129.7 kN)
Weight: 3,826 pounds (1,735 kg)
Inlet Diameter: 34.8 inches (0.88 m)

Payload

Multiple hardpoints for store integration and release at high speeds and altitudes.

Spike

Translating spike for efficient high-speed compression.

Operation

Uncrewed and autonomous, combining human supervision with onboard autonomy.

Precooler

Cools incoming air in flight, pushing the Pratt & Whitney F100 beyond its standard speed limits.

News

Hermeus Unveils Ramjet-X, a Low-Cost Test Vehicle for High-Mach Flight

Hermeus today announced it is developing Ramjet-X, a low-cost, expendable ramjet-powered vehicle designed for launch from its Quarterhorse aircraft. Once released, Ramjet-X will fly at high-Mach speeds.

Recent News

More news

Hermeus Scales DIU Contract to $219M to Demonstrate High-Mach Flight for Department of War

News

May 28, 2026

Bringing Mission Autonomy to High-Mach Flight

Blog

Hermeus Appoints Sameer Rao as Chief Financial Officer

News

July 22, 2026

Hermeus Scales DIU Contract to $219M to Demonstrate High-Mach Flight for Department of War

News

May 28, 2026

Bringing Mission Autonomy to High-Mach Flight

Blog

Hermeus Appoints Sameer Rao as Chief Financial Officer

News

July 22, 2026