Aerojet Rocketdyne
American rocket and missile propulsion manufacturer. Developed and produced propulsion systems for U.S. defense and space programs including the AR1 engine (congressional-mandate RD-180 replacement) using the ITAR-controlled Mondaloy superalloy. Acquired by L3Harris Technologies for $4.7B in July 2023, at which point Mondaloy composition data became proprietary to L3Harris.
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Aerojet Rocketdyne
Aerojet Rocketdyne was a major U.S. rocket and missile propulsion manufacturer with roots in both Aerojet (Sacramento) and Rocketdyne (Canoga Park). Key programs included the AR1 oxygen-rich staged combustion engine — America's congressional-mandate replacement for Russia's RD-180 — which incorporated Mondaloy superalloy components co-invented by Monica Jacinto Reza.
Acquired by L3Harris Technologies for $4.7B in July 2023. Following acquisition, Mondaloy's specific composition data became proprietary to L3Harris and ITAR-controlled; most detailed technical papers were published through JANNAF (Joint Army-Navy-NASA-Air Force) and require U.S. citizenship and need-to-know clearance.
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