WASHINGTON — Space Exploration Technologies Corp. (SpaceX) and United Launch Alliance (ULA) are probing NASA for details about using space shuttle launch infrastructure at the Kennedy Space Center in Florida, a senior agency 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...