Artemis 1
A train carrying the booster segements for the first SLS rocket arrives at the Kennedy Space Center June 15 to begin preparations for that launch, now expected in late 2021.

NASA has taken another step in its efforts to establish a long-term production line for the Space Launch System, although it remains uncertain what cost savings, if any, those contracts will provide.

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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...