Defense Secretary Pete Hegseth’s chief of staff is reportedly set to leave the agency after a string of dismissals of other officials allegedly involved in intelligence leaks. Joe Kasper, Hegseth’s chief of staff,

Caldwell was named in the “Signalgate” drama when Hegseth told the rest of the leaked group that he was the Pentagon’s best staff point of contact for the National Security Council as it prepared for strikes in Yemen.