U.S. Air Force Awards $161.9M For RD-180 Replacements

Credit: Atlas V: ULA
Aerojet Rocketdyne has won the lion’s share of new government work to develop a U.S. alternative to Russia’s RD-180 hydrocarbon rocket engine, taking a $115.3 million “other transaction agreement” (OTA) for continued development of its AR1 prototype main-stage engine under the Air Force Evolved...

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