GE, Lockheed Demonstrate Liquid‑Fueled Rotating‑Detonation Ramjet for Hypersonic Missiles
GE Aerospace and Lockheed Martin completed a series of ground tests validating a compact, liquid‑fueled rotating‑detonation ramjet that demonstrated significantly improved propulsion efficiency for sustained cruise at Mach 5+, advancing an engine architecture aimed at hypersonic missile applications. Tests were conducted in Niskayuna, N.Y., and Bethesda, Md.