President Donald Trump has named an acting defense secretary because his choice to lead the Pentagon, Pete Hegseth, has not yet been confirmed by the Senate.

Duffey, Trump said in a December social media post, is the nominee to run the Pentagon’s office for acquisition and sustainment, its chief weapons buyer.

Long speculated as a potential GOP holdout, Sen. John Curtis said Wednesday that he supports Donald Trump's embattled defense secretary nominee, Pete Hegseth.

Robert Salesses will serve as President Donald Trump’s acting defense secretary as the nomination of Pete Hegseth to lead the Defense Department lingers in the Senate.

Even though Trump has not officially been inaugurated, the Senate can confirm cabinet members before his Oath of Office.

Dan Caldwell, a former colleague of Defense Secretary nominee Pete Hegseth, has publicly criticized the close U.S.-Israel alliance

The first hearing involving a Trump cabinet nominee will be held on Tuesday as controversial defense secretary nominee Pete Hegseth faces the Senate Armed Services Committee.

As Donald Trump returns to the White House on January 20, Republicans will have a majority in the Senate. This means that his Cabinet nominees will likely face an easier path to confirmation, even for those who may have surrounded themselves with controversies.

Pete Hegseth faced an important test on Tuesday — but he didn't just have to prove himself to the senators who immediately began sparring over his nomination as defense secretary.

Donald Trump announced his nomination of Pete Hegseth to be secretary of defense Tuesday night ... Hegseth was considered for the leadership of the Department of Veterans Affairs, although ...

Donald Trump’s nominee for secretary of U.S. Defense, Pete Hegseth ... have expressed concerns that Hegseth would, as Defense secretary, politicize the department and take on unnecessary ...

As Senate confirmation hearings begin, here's the latest on who in the Trump administration has, will or doesn't need to be approved.