Engine Installation Underway for Artemis II Moon Rocket at NASA Michoud

These photos show how technicians at NASA’s Michoud Assembly Facility in New Orleans installed the third and fourth RS-25 engines onto the core stage for the agency’s SLS (Space Launch System) rocket that will help power NASA’s first crewed Artemis mission to the Moon. Technicians added the first engine to the SLS core stage Sept. 11. The second engine was installed onto the stage Sept. 15 with the third and fourth engines following Sept. 19 and Sept. 20.