Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.

Astrobotic fires next-generation 'rotating detonation rocket engine' in record-breaking test (video)

Source: space
Source Link: https://www.space.com/technology/astrobotic-fires-next-generation-rotating-detonation-rocket-engine-in-record-breaking-test-video