Defense Secretary Pete Hegseth has fired the Navy chief of staff in a sudden shakeup following the confirmation of Hung Cao as the new Navy Under Secretary . “Jon Harrison will no longer serve as the Chief of Staff of the Secretary of the Navy. We are grateful for his service to the Department,” a Pentagon spokesman told Military Times in a statement on Saturday. At the time of publication, Harrison had not provided a comment about his ousting. Harrison was a political appointee of President