Artemis 2 moon astronauts rehearse for launch day (photos)

three male astronauts and a female astronaut, all wearing orange flight suits, stand outside a concrete building

The four astronauts set to fly around the moon during NASA’s Artemis 2 test flight depart the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida, during a dress rehearsal for launch day on Dec. 20, 2025. From left are Canadian Space Agency astronaut Jeremy Hansen and NASA astronauts Victor Glover, Reid Wiseman and Christina Koch. (Image credit: NASA/Jim Ross)

NASA's first crewed mission toward the moon in more than half a century moved closer to liftoff recently, as the Artemis 2 astronauts completed a full launch day dress rehearsal in Florida.

The four astronauts set to fly around the moon on the Artemis 2 mission participated in the launch day dress rehearsal on Dec. 20 at NASA's Kennedy Space Center (KSC) in Florida. The test marked a milestone in final preparations for NASA astronauts Victor Glover, Reid Wiseman and Christina Koch and Canadian Space Agency astronaut Jeremy Hansen for their journey around our nearest celestial neighbor in early 2026.

two male astronauts and a female astronaut, all wearing orange flight suits, walk on a metallic gantry inside a huge building — Canadian Space Agency astronaut Jeremy Hansen (right) and NASA’s Victor Glover and Christina Koch exit the elevator at the 275-foot level of the mobile launcher as they walk toward the crew access arm and prepare to board their Orion spacecraft atop NASA’s Space Launch System rocket during the Artemis 2 countdown demonstration test on Dec. 20, 2025, inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. (Image credit: NASA/Joel Kowsky)

The action took place at the Vehicle Assembly Building (VAB) at KSC, where Orion and its European Service Module and the gigantic Space Launch System (SLS) rocket are being prepared and tested ahead of rollout and launch.

Artemis 2 is currently slated to launch from KSC no earlier than Feb. 5, 2026. The mission will mark the first time astronauts will journey to the vicinity of the moon since Apollo 17 in December 1972.

A day before the rehearsal, newly confirmed NASA Administrator Jared Isaacman posted on the social media platform X that "Artemis 2 is America's return to the moon, and the start of something much bigger."

The following mission, Artemis 3, will attempt to land astronauts on the surface of the moon. The mission is officially scheduled for 2027, but reports suggest that it will not launch until 2028 at the earliest.

Andrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others. Andrew first caught the space bug when, as a youngster, he saw Voyager images of other worlds in our solar system for the first time. Away from space, Andrew enjoys trail running in the forests of Finland. You can follow him on Twitter @AJ_FI.

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