The Hermeus Quarterhorse hypersonic aircraft is expected to be record-breakingly fast, reaching a planned speed of 3,730 mph. It is powered by a modified Pratt & Whitney F100 turbo jet engine.

Approval process took four years and established the European agency's special condition ...

The race to field reusable hypersonic aircraft got a whole lot hotter last month, with GE Aerospace announcing a breakthrough in high-speed jet engine ... aviation firm Hermeus is actively ...

through the air at hypersonic speeds of over Mach 5 (3,800 mph/6,100 kph). One such company is called Hermeus, and it was established back in 2018. It's ultimate goal is to develop an airliner ...

The Pentagon has recently poured money into hypersonic development, funding research programmes in the defence industry, academia and with private start-up ventures like Stratolaunch and Hermeus.