Joe Kasper, Hegseth’s chief of staff, is the fourth top official to be ousted in the last week amid turmoil at the Pentagon.

His exit comes a month after he fired off a memo announcing an investigation into “unauthorized disclosures of sensitive and ...

Hegseth threatened top staff with polygraph tests following reports that the Pentagon invited Elon Musk for a briefing on ...

Joe Kasper leaves the role voluntarily, but his departure adds to the sense of instability that has gripped the Defense ...

Last month, after news broke that Secretary of Defense Pete Hegseth was using Signal to discuss sensitive military operations ...

Trump officials are playing defense after major staff purges and sensitive leaks less than three months into the president’s ...

Marine Corps Sgt. Maj. Troy Black will depart the post and retire from military service after the newly confirmed Joint Chiefs chairman, Air Force Gen. Dan Caine, chose not to renew Black's posting.

Defense Secretary Pete Hegseth's behavior has become "erratic" and he seems increasingly "insecure" about his job, sources ...

Defense Secretary Pete Hegseth demanded proof that Adm. Christopher Grady, the then-acting Chairman of the Joint Chiefs of ...

Gen. Dan Caine’s first official trip underscored how the White House has prioritized the mission, which now involves nearly 7 ...

Defense Secretary Pete Hegseth has directed Pentagon policy chief Elbridge Colby to begin working on the next National Defense Strategy to be completed no later than Aug. 31, according to a new memo.

including the chairman of the Joint Chiefs of Staff and the Navy’s top admiral - is a mark of disruption and instability the likes of which the Pentagon has seldom experienced. Defense officials ...