RS-25 Engines for Artemis III Mission Completed

The four RS-25 engines that will power the core stage of NASA’s super heavy-lift Space Launch System (SLS) rocket during the historic Artemis III mission have been completed by Aerojet Rocketdyne. Slated for launch around the middle of the decade, Artemis III is a planned lunar landing mission that will return humans to the surface of the Moon for the f…