SLS rollout
The SLS and its mobile launch platform emerge from the Vehicle Assembly Building at the Kennedy Space Center March 17.

A launch vehicle in development for more than a decade is now less than a day from attempting to lift off for the first time on the Artemis 1 mission.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...