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

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

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

The ousted advisers, in their first public comments, praised the administration but made no mention of their former boss, ...

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

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

A top Pentagon official who was ousted in a dramatic purge earlier this month has criticized Defense Secretary Pete Hegseth ...

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

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

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 ...