NASA Orders 18 Space Launch System RS-25 Rocket Engines to Support Artemis Missions to Moon
Article Excerpt: "... NASA has awarded a contract to Aerojet Rocketdyne to manufacture 18 additional Space Launch System RS-25 rocket engines to support Artemis missions to the Moon. The follow-on contract to produce 18 engines is valued at $1.79 billion. This includes labor to build and test the engines, produce tooling, and support SLS flights powered by the engines ..."
Reference: spacecoastdaily.com