Hegseth pushes out Air Force chief of staff in latest Pentagon shake-up

US Air Force Chief of Staff Gen. David Allvin abruptly announced Monday that he will retire halfway through his four-year term. The decision came after Allvin learned that Defense Secretary Pete Hegseth planned to push him out of the job, according to a source familiar with the decision.

​ US Air Force Chief of Staff Gen. David Allvin abruptly announced Monday that he will retire halfway through his four-year term. The decision came after Allvin learned that Defense Secretary Pete Hegseth planned to push him out of the job, according to a source familiar with the decision. Read More Breaking News, Latest News and Videos | CNN