The crew — Reid Wiseman, Victor Glover, Christina Koch, and Canadian astronaut Jeremy Hansen — lifted off atop the Space Launch System rocket for a high-stakes 10-day journey that will take them in orbit around the Moon before returning to Earth.
The mission represents the first crewed flight of the SLS rocket and is a critical stepping stone in NASA's Artemis program, which aims to land humans on the lunar surface as early as 2028. The flight had been delayed in February but proceeded without incident on Wednesday.
Artemis II will not land on the Moon but will fly the crew around it, testing the Orion capsule's life support systems, navigation, and re-entry capabilities with humans aboard for the first time. The data gathered will be essential for planning the subsequent Artemis III mission, which is intended to put boots on the lunar surface.
The launch drew global attention, with coverage from outlets across the world marking the moment as a new chapter in human space exploration.