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

Defense Secretary Pete Hegseth’s controversial chief of staff, who played a central role in a power struggle that gripped the ...

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

Defense Secretary Pete Hegseth's chief of staff, Joe Kasper, stepped down Thursday. With his departure and the firing of ...

Pete Hegseth spends at least half of his time investigating leaks—and then working out with active-duty troops to appear ...

Joe Kasper, Defense Secretary Pete Hegseth’s chief of staff will leave his role in the coming days for a new position at the ...

Kasper is the fifth Defense official to leave the agency in the past week amid investigations of internal leaks within the ...

A feud between the secretary's advisers and his chief of staff created backbiting and distrust that has erupted into the open ...

Kasper’s exit comes following the firing of other top aides, some of whom were close friends of Hegseth, amid a leak ...

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

Now-former Pete Hegseth chief of staff Joe Kasper initiated the leak investigation that led to the firings of senior adviser ...

Pentagon senior adviser Dan Caldwell, ex-deputy chief of staff Darin Selnick, and Colin Carroll were all removed from the ...