U.S. Navy Secretary John C. Phelan, Trump’s pick to lead the service, is departing the administration effective immediately, the Pentagon said.

Navy Secretary John Phelan abruptly left his job on Wednesday in part because a hugely expensive new battleship he championed sparked friction with his superiors — including Defense Secretary Pete Hegseth.

Navy Secretary John Phelan has ⁠been ⁠fired, a U.S. official and ⁠a person familiar with the matter said on Wednesday, in another wartime shakeup ​at the Pentagon coming just weeks after Defense Secretary Pete Hegseth ousted the Army's top general.

Fox News chief national security correspondent Jennifer Griffin reports as Secretary of the Navy John Phelan has been replaced, effective immediately, amid Pentagon shakeup.

Trump described Phelan as smart, tough and widely respected, and thanked him for his service as he departs the post.

At least five officials have left Trump's Cabinet and U.S. military leadership since the start of the war with Iran. Here's a look at who left and why.

John Phelan is out as Navy secretary, the Pentagon announced Wednesday night. CBS News senior White House and Political correspondent Ed O'Keefe has the latest.

CNN News Central’s Kate Bolduan speaks with Congressman Jimmy Panetta (D-CA) about the ousting of Navy Secretary John Phelan amid reports of tensions with Defense Secretary Pete Hegseth.