RL10 hotfire test
A 3D-printed thrust chamber for the RL10 engine undergoes a hotfire test. Aerojet Rocketdyne plans to use technologies like additive manufacturing in the development of the RL10C-X engine, which is now supported by a revised agreement with the Air Force. Credit: Aerojet Rocketdyne

WASHINGTON — Lockheed Martin announced Dec. 20 it inked a deal to acquire rocket and missile propulsion manufacturer Aerojet Rocketdyne for $4.4 billion. 

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...