378th EMDG change of command Published Nov. 15, 2021 By Senior Airman Jacob B. Wrightsman 378th Air Expeditionary Wing Public Affairs PRINCE SULTAN AIR BASE, Kingdom of Saudi Arabia -- Col. Jeffrey Wisneski, right, incoming 378th Expeditionary Medical Group commander, receives the guidon from 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)