Gen. David Allvin, the chief of staff of the Air Force, is the latest high-ranking general to exit following President Trump’s purge of Pentagon leadership.

Gen. David Allvin, the chief of staff of the Air Force, is the latest high-ranking general to exit following President Trump’s purge of Pentagon leadership.

Gen. David Allvin has announced he is retiring early as the U.S. Air Force chief of staff, making him the latest high-ranking military member to leave the armed services amid the…