What happens in Washington decidedly does not stay in Washington, with practically every action taken by the richest and most powerful country in the world having a near-immediate global reaction—on tariffs,

The worried reaction within space and national security agencies highlights the risks of government’s exclusive dependence on SpaceX for crucial tasks, including classified missions.

President Trump on Saturday said that he planned to withdraw his nomination of Jared Isaacman, a billionaire entrepreneur and close associate of Elon Musk’s, to be the next NASA administrator, days before Mr. Isaacman’s expected confirmation to the role by the Senate.