Air Force Vice Chief of Staff Gen. David L. Goldfein testifies before the Senate Armed Services Committee during his confirmation hearing June 16, 2016, in Washington, D.C., following his presidential nomination for the position of the 21st Air Force chief of staff. Goldfein was confirmed by the Senate as the Air Force’s next chief of staff during a confirmation vote June 29. (U.S. Air Force photo/Scott M. Ash)