A Los Angeles-based company is developing a low-cost, expendable ramjet-powered vehicle designed for launch ...

Hermeus has unveiled its latest plans for the Quarterhorse supersonic aircraft, which will be used to launch a high-Mach test ...

US startup Hermeus aims to make high-Mach flight testing more accessible with Ramjet-X, a low-cost, expendable test vehicle ...

High-speed aircraft maker Hermeus has revealed a ramjet-powered test vehicle that can be launched from under the wing of its supersonic Quarterhorse aircraft. The unveiling of the Ramjet-X concept ...

LOS ANGELES, Sept. 9, 2026 /PRNewswire/ -- Hermeus today announced it is developing Ramjet-X, a low-cost, expendable ramjet-powered vehicle designed for launch from its Quarterhorse aircraft. Once ...

GE Aerospace successfully demonstrated a new hypersonic dual-mode ramjet, a critical step towards enabling high-speed and longer-range multi-mission aircraft. The tests, initiated in March, exceeded ...

Hermeus has unveiled the Ramjet-X concept, an experimental vehicle equipped with a ramjet engine that will be air-launched by ...

GE Aerospace has successfully demonstrated a new, cutting-edge, hypersonic dual-mode ramjet — this achievement – which could enable high-speed flight and longer range across numerous multi-mission ...

American aviation company Hermeus announced it is working on an expendable, low-cost supersonic test vehicle that launches ...

Hermeus' Quarterhorse supersonic aircraft will serve as a reusable mothership to launch Ramjet-X, enabling sustained ...

KENNEDY SPACE CENTER, Fla. - What has zero moving parts, yet can blast an aerial vehicle to velocities beyond Mach 5? The answer is the recently flight-tested Atmospheric Test of Launched Airbreathing ...