SLS rollout
The SLS, seen here during a March rollout, will return to the pad on June 6.

Preparations for the first flight of the Space Launch System remain on track for a liftoff as soon as Aug. 29, NASA officials said Aug. 3.

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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...