Vertical Assembly Facility
The Vertical Assembly Facility at NASA's Michoud Assembly Facility near New Orleans.

The gigantic welding tool that will piece together the stages of NASA’s Space Launch System rocket has been taken apart and will be put back together around August to correct a misalignment that made it impossible to use the machine, a NASA official said.

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Dan Leone is the NASA reporter for SpaceNews, where he also covers other civilian-run U.S. government space programs and a growing number of entrepreneurial space companies. He joined SpaceNews in 2011.Dan earned a bachelor's degree in public communications...