Air Force Vice Chief of Staff Gen. David Allvin and his wife, Gina, depart the Air Force District of Washington change of command ceremony at Joint Base Andrews, Md., July 20, 2021. Allvin was the presiding official of the ceremony where Maj. Gen. Ricky Rupp relinquished command to Maj. Gen. Joel D. Jackson. (U.S. Air Force photo by TSgt Cary Smith)