Brig. Gen. Pettus, 378th Air Expeditionary Wing commander, returns a salute to Col. Alvarez, 378th Expeditionary Mission Support Group commander, during the 378th EMSG change of command at Prince Sultan Air Base, Kingdom of Saudi Arabia, July 28th, 2020. Col. Alvarez passed command to Col. Askew during the ceremony. (U.S. Air Force photo by Staff Sgt. Cary Smith)