In its place, NASA installed E2061 into the Engine 4 position on the Artemis II core stage. This engine was the final one built for the shuttle. NASA certified the engine for flight in 2008, and it ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New Orleans. Footage courtesy: NASA/Evan Deroche/Steven Seipel/Eric Bordelon ...