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 ...

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

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

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 ...

Another senior Pentagon employee has departed—but unlike three top advisers fired last week, Defense Secretary Pete Hegseth's ...

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 ...

Hegseth's chief of staff Joe Kasper is moving to a new job, the latest staffing shift after days of upheaval at the Pentagon.

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