U.S. Defense Secretary Pete Hegseth has asked Army Chief of Staff Randy George to step down and take immediate retirement, according to defense officials, signaling an abrupt shake-up at the top of the military.

Hegseth, a ​former Fox ⁠News host, has moved quickly to reshape the department, firing top generals and admirals as he seeks to implement Trump's national security agenda.

The sources did not indicate why Hegseth asked George to leave his post. The move was first reported by CBS News.

George, an infantry ⁠officer ⁠who served in Iraq and Afghanistan, was confirmed to the top Army post in 2023. Terms in that role usually run for four years.

Prior to holding the top job, George was the vice chief of the Army and, before ⁠that, the senior military adviser to then-Defense Secretary Lloyd Austin.