Artemis II crew on their way to the Vehicle Assembly Building

The Artemis II crew just before boarding the van that will take them to the Vehicle Assembly Building as part of the Countdown Demonstration Test (CDDT) at the Kennedy Space Center. During CDDT, the crew and launch team simulate the launch day timeline including suit-up, walkout, and climbing in and out of the Orion spacecraft. (Credit: NASA/Glenn Benson)