Hermeus obtains license to manufacture Pratt & Whitney F100 fighter jet engines
In a historical first, RTX subsidiary Pratt & Whitney has signed a licensing deal with another company to…
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Hermeus
12 articles
Stay updated on Hermeus, an aerospace company focused on developing high-speed aircraft. Explore ews about Hermeus’ supersonic and hypersonic technologies.
Hermeus unveils Ramjet-X vehicle to launch from Quarterhorse at Mach 3
Hermeus is developing Ramjet-X, an expendable ramjet-powered vehicle designed to be released in flight from beneath its Quarterhorse…
FAA clears Hermeus Quarterhorse Mk 2.1 for supersonic flight tests
Hermeus announced on March 12, 2026, that the Federal Aviation Administration (FAA) issued a Special Airworthiness Certificate in the…
Hypersonics startup Hermeus raises $350 million, moves to LA
Hypersonics startup Hermeus announced on April 7, 2026, that it has closed a $350 million Series C round. …
Quarterhorse Mk 2.1, a supersonic UAV the size of an F-16, makes first flight
Hermeus, a venture-backed aviation defense company, said it has completed the first flight of its newest Quarterhorse aircraft,…
Hypersonic startup Hermeus completes first test flight of Quarterhorse Mk 1
Hypersonic startup Hermeus has confirmed the successful completion of the first flight of its Quarterhorse Mk 1 demonstrator. Although the…
Hermeus tests precooler technology on F100 engine for future hypersonic engine
Hermeus has partnered with Pratt & Whitney to conduct testing of its advanced precooler technology with the F100…
Hypersonic startup Hermeus unveils first flyable aircraft
Hypersonic flight startup Hermeus has publicly unveiled its first flyable aircraft, called the Quarterhorse Mk 1. A previous…
Is the hypersonic era closer than we imagine?
Great power sabre-rattling, stoked by war in Ukraine and geopolitical tensions in the Pacific, is driving research in…
Raytheon invests in hypersonic aircraft startup Hermeus
The US aerospace and defense company Raytheon Technologies invested in the startup Hermeus Corporation through its venture capital…
Hermeus reveals hypersonic aircraft prototype
American startup Hermeus, which aims to build the world’s first hypersonic airliner, has unveiled a full-scale prototype of…
Hermeus partners with USAF to develop supersonic Air Force One
Hermeus, an aerospace company developing a Mach 5 aircraft, announced its partnership with the U.S. Air Force (USAF)…