Thursday, December 17, 2015

US alternative to banned Russian rocket engine passes critical review

Engine manufacturer Aerojet Rocketdyne announced today that its AR1 engine, which its building for the United Launch Alliance (ULA) — the military's primary launch provider — has passed a major critical design review. That means the company will continue to develop the engine further to get ready for full-scale testing in 2017. But while Aerojet is making the AR1 for use in ULA's rockets, ULA hasn't said if it's actually going to use the engine or not.

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