Jared Isaacman has twice been to space with Elon Musk’s SpaceX. Kevin Dietsch/Getty Images

Just days before his expected Senate confirmation, billionaire tech entrepreneur Jared Isaacman—closely aligned with Elon Musk’s SpaceX—has been withdrawn as President Donald Trump’s nominee for NASA administrator. The announcement came on the same day Musk stepped down from the government’s Department of Government Efficiency (DOGE), and follows renewed scrutiny of Isaacman’s past political donations to Democratic candidates. A new nominee for NASA administrator will be announced soon, according to Trump, who said he will prioritize someone who is “mission aligned” and can put America “first in space.”

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