The US Air Force chief of staff, Gen. David Allvin, abruptly announced Monday that he will retire halfway through his four-year term. The move came after Allvin learned that Defense Secretary Pete Hegseth planned to push him out of the job,

Policy experts told Military.com that the departure raises alarm amid other leadership changes within the Department of the Air Force and the Pentagon at large.

The Air Force's top uniformed officer is set to retire early in the most recent shake-up of military leadership during President Donald Trump’s second term. Gen. David Allvin will continue serving as the service’s chief of staff until a replacement is confirmed by the Senate,