The Artemis-1 rocket seen as the fog clear at pad 39B during a "wet dress" rollout at Kennedy Space Center in Florida

NASA’s most powerful rocket ever prepares for launch

After years of work, the 322-foot Space Launch System, built to send people to the moon, is finally ready to fly.

The Space Launch System rocket for Artemis I prepares for a series of tests as the fog clears at NASA’s Kennedy Space Center Launch Complex 39B. 
Photograph by Dan Winters, National Geographic
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