NASA starts launch rehearsal for Artemis II mission to moon
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The rollout on Saturday, Jan. 17, of the Space Launch System (SLS) rocket is a crucial step signaling that NASA is in the final stretches to get its first crewed lunar mission in five decades off the ground. That mission, known as Artemis 2, will send three Americans and one Canadian on a 10-day trip around the moon.
Marking four decades since the explosion of the Challenger claimed the lives of its seven-member crew, we recap the incident, the investigation, and the lessons learned on the path to space and beyond.