A NASA SLS rocket launches the Artemis II mission from Space Launch Complex 39B at Kennedy Space Center, Florida, April 1, 2026. NASA’s Artemis II test flight will take astronauts from NASA Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch, and Canadian Space Agency, Mission Specialist Jeremy Hansen. Artemis II is NASA’s first crewed mission under the Artemis program and the first mission with astronauts aboard the SLS rocket and Orion spacecraft, sending four astronauts on an approximately 10-day journey to orbit the Moon and back to Earth. (U.S. Space Force photo by Robert Mason)