Col. Wayne Peters, right, outgoing 378th Expeditionary Medical Group commander, relinquishes the guidon to Brig. Gen. Robert Davis, 378th Air Expeditionary Wing commander, during the 378th EMDG change of command ceremony at Prince Sultan Air Base, Kingdom of Saudi Arabia, Nov. 9, 2021. The passing of a unit's guidon symbolizes a transfer of command. (U.S. Air Force photo by Senior Airman Jacob B. Wrightsman)