SLS ‘Mega Moon Rocket’ with Integrated Orion Spacecraft Prepares for Rollout / Wet Dress Rehearsal
Simulated countdown sequencing software / hardware test is last step before highly anticipated (12th year of $23B+ program) rollout of USA flagship Space Launch System from KSC Vehicle Assembly Building to historic Launch Pad 39B, as problematic RS-25 engine controller replaced and checked; Fueled dress rehearsal set to occur NET mid-Feb followed by hot fire and inaugural Artemis 1 uncrewed lunar flyby NET March; Elements of Artemis 2-4 crafts currently being manufactured with ULA Interim Cryogenic Propulsion Stage (Decatur AL) and Aerojet Rocketdyne RS-25 engines (New Orleans LA) being readied for KSC shipment