NASA astronaut Christina Koch, Artemis II mission specialist signs an Artemis II flag, as CSA (Canadian Space Agency) astronaut Jeremy Hansen, Artemis II mission specialist looks on, onboard USS John P. Murtha, Saturday, April 11, 2026, in the Pacific Ocean off the coast of California. Koch, Hansen, NASA astronaut Victor Glover, Artemis II pilot, and NASA astronaut Reid Wiseman, Artemis II commander, splashed down in the Pacific Ocean, Friday, April 10 at 5:07 p.m. PDT (8:07p.m. EDT). Photo Credit: (NASA/Bill Ingalls)