210410-F-ZT877-1049
Brig. Gen. Jeffrey T. Pennington, left, 4th Air Force commander at March Air Reserve Base, California, passes the guidon to Col. Thomas O. Pemberton, 434th Air Refueling Wing commander, during an assumption of command ceremony at Grissom Air Reserve Base, Ind. April 10, 2021. Pemberton was previously the 514th Air Mobility Wing commander at Joint Base McGuire-Dix-Lakehurst, New Jersey. (U.S. Air Force photo by Staff Sgt. Chris Massey)