President Donald Trump said in a Truth Social post that he will "soon announce a new Nominee who will be Mission aligned, and put America First in Space."

President Trump withdrew his nomination of Jared Isaacman, an ally of Elon Musk, because of donations he had made to Democrats. But people with knowledge of the events say Mr. Isaacman had disclosed the contributions.

President Donald Trump on Saturday rescinded his nomination of tech billionaire Jared Isaacman to lead NASA, citing a “thorough review of prior associations.”