SLS EM-1 target markings
NASA will provide an update for the schedule of Exploration Mission 1, the first launch of the Space Launch System, in October.

With NASA’s decision to continue using an interim upper stage for additional flights of the Space Launch System, Boeing is working on changes to both that stage and a more powerful upper stage.

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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...