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

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

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

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

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

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 ...

"Joe Kasper will continue to serve President Trump as a Special ... This exit follows several notable departures from senior ...

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

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

At the center was Joe Kasper, Hegseth’s departing chief of staff, who people familiar with the matter said created a toxic ...