WASHINGTON — Regional fault lines have appeared in the U.S. Senate coalition of support for NASA’s Space Launch System (SLS) over the use of 2012 funds appropriated for development of the heavy-lift rocket for infrastructure upgrades at the agency’s Kennedy Space Center (KSC) in Florida.

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Dan Leone is a SpaceNews staff writer, covering NASA, NOAA and a growing number of entrepreneurial space companies. He earned a bachelor’s degree in public communications from the American University in Washington.