Hermeus

Hermeus is an aerospace and defense company that develops hypersonic aircraft capable of reaching speeds around Mach 5. The company’s core mission is to drastically reduce global travel times by creating next-generation aircraft that can fly significantly faster than traditional commercial jets. Its flagship programs include the Quarterhorse series of high-speed test aircraft and the development of the Chimera engine, a turbine-based combined cycle propulsion system designed for hypersonic flight. Hermeus follows a rapid, iterative development approach, building and testing multiple prototypes to accelerate innovation and reduce engineering timelines. The company collaborates with organizations such as the U.S. Air Force and NASA, positioning its technology for both commercial aviation and defense applications.