Managers from NASA and industry partners for NASA’s SLS (Space Launch System) rocket upper stage hand off the baton to managers from the agency’s Exploration Ground Systems (EGS) are shown with the SLS interim cryogenic propulsion stage inside the Multi-Payload Processing Facility at NASA’s Kennedy Space Center in Florida on Monday, March 10, 2025, after being transported from United Launch Alliance’s (ULA) Delta Operations Center at nearby Cape Canaveral Space Force Station. From left to right are Jim Bonato, ICPS Mission Manager, ULA; Ron Fortson, Director and General Manager, ULA; Chris Calfee, Spacecraft/Payload Integration and Evolution element manager, SLS; Cliff Lanham, senior vehicle operations manager, EGS; Todd Lamond, Strategic Planning and Integration, Amentum; and Natasha Wiest, Interim Director, Boeing Core Stage Integrated Product Team; The interim cryogenic propulsion stage is a liquid oxygen and liquid hydrogen-based system that will fire its RL10 engine to give the Orion spacecraft the big in-space push needed to fly around the Moon and back.