UAV Development & Drone Programs   Hypersonic  

Hermeus Unveils Air-Launched Ramjet-X Test Vehicle for Mach 3 Flight

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Hermeus has revealed Ramjet-X, an expendable ramjet-powered test vehicle designed for release beneath the wing of its uncrewed Quarterhorse aircraft. The company says the air-launch architecture will support high-speed testing, with Quarterhorse intended to carry and release the vehicle at up to Mach 3.

Discovered 2026-09-09T03:50:33.041012-07:00 | 2026-09-09T03:50:33.041012-07:00

Briefing

What Hype is tracking

  • Ramjet-X links Hermeus’ high-speed propulsion testing to an uncrewed, air-launched platform, providing a distinct pathway for flight-test activity at hypersonic speeds.
  • The expendable vehicle and Quarterhorse carrier architecture could allow the company to test ramjet-powered systems without requiring a conventional runway launch vehicle.
  • The program expands the role of uncrewed aircraft in high-speed aerospace development, with potential relevance to future defense and advanced aircraft programs.

Reported By

AeroTime Aviation Week
Sources Tracked
2
First Seen
2026-09-09T03:50:33.041012-07:00
Latest Update
2026-09-09T06:50:15.300933-07:00
Coverage
Aviation

Sources

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