Jared Isaacman, U.S. President Donald Trump's nominee to be National Aeronautics and Space Administration (NASA) Administrator, testifies during a Senate Commerce, Science, and Transportation Committee confirmation hearing in the Russell Senate Office Building on Capitol Hill on April 09, 2025 in Washington, DC. Kevin Dietsch/Getty Images

President Donald Trump is nominating tech billionaire Jared Isaacman for a second time to serve as administrator of NASA, he announced on social media Tuesday.

Isaacman, an Elon Musk associate who has twice traveled to space on private SpaceX missions, was tapped for the position earlier this year before Trump unexpectedly withdrew his nomination , citing a “thorough review of prior associations.”

“This evening, I am pleased to nominate Jared Isa

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