Trump will name Sean Duffy as interim NASA head after Isaacman’s withdrawal
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President Donald Trump On Wednesday he announced he was tapping Transportation Secretary Shawn Duffy to serve as NASA interim administrator. The move reflects the growing importance of space in the country’s priorities.
“I am pleased to announce that we are directing our great Transport Secretary, Sean Duffy, to NASA interim administrator,” Trump said. Posted in the True Society.
“He will be an incredible leader in space agencies, even for a short period of time, more important than ever.”
The president praised it Duffy’s performance He calls his tenure “extraordinary” at the Department of Transport and shares his work on modernizing air traffic control and reviving infrastructure. “We’re rebuilding roads and bridges and rebuilding them what’s efficient and beautiful,” Trump wrote.

Transport Secretary Sean Duffy will testify at a hearing before the House Budget Committee on May 14, 2025, in Washington, D.C., in front of the House Budget Committee. (Samuel Core/Getty Images)
Duffy, a former Wisconsin lawmaker and longtime Trump ally, enthusiastically embraced the role. “I am honored to embrace this mission. Time to take over space. Let’s launch it,” he wrote to X.
Duffy will replace Janet Petro, who has been NASA administrator since January. Trump has retracted Jared Isaacman’s nomination for his role in May.
Trump’s administrator has been recruiting Jared Isaacman’s NASA administrator nomination.

Jared Isaacman, a former candidate who is the NASA administrator for the National Aeronautics and Space Administration, testified at a Senate Commerce and Science Transport Committee hearing in Russellville on Wednesday, April 9, 2025. (Tom Williams/CQ-Roll Call, Inc, Getty Images)
Isaac, the billionaire astronaut, and many years Elon Musk’s ViceHe was appointed Trump in December 2024, but faced scrutiny over Musk’s connection to SpaceX.
Trump said the decision to pull out Isaac Man’s name came after growing concerns about “a thorough review of previous associations” and “corporate entanglement.”

Dot Secretary Sean Duffy will further serve as interim NASA administrator. (Stefani Reynolds/AFP via Getty Images)
NASA is increasing It was factored into the Trump administration’s defense, innovation and economic agenda. Trump has long emphasized the strategic importance of space and launched the Space Force during his first term.
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The White House did not immediately respond to Fox News Digital’s request for comment.