1 source · first reported 2h ago

The US Air Force is seeking a new engine for rockets that can take off like a rocket, cruise like a jet, and eliminate the need for large fuel tanks. The Air Force Research Laboratory's Rocket and Space Propulsion Division is asking American rocket companies for their ideas on the engine design.
This new engine technology could provide the US Air Force with more flexible and efficient missile capabilities, enhancing their military effectiveness. The development of such an engine would be a significant advancement in rocket propulsion technology.
How this story unfolded across sources, oldest first.