NASA awards $1.8bn SLS rocket engine contract to Aerojet Rocketdyne


In a deal valued at $1.8bn, NASA has awarded Aerojet Rocketdyne the contract to build 18 additional Space Launch System (SLS) RS-25 rocket engines to support Artermis missions to the Moon.

The Californian rocket and missile propulsion manufacturer will build and test the engines, produce tooling and support SLS flights powered by the engines.

Each SLS rocket uses four RS-25 engines, providing a total of two million pounds of thrust to send SLS to space.

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