Brig. Gen Charlie Lyon, 379th Air Expeditionary Wing commander (left), passes the 379th Expeditionary Operations Group guidon to incoming commander Col. Robert Gass (center) during a change-of-command ceremony July 26. Colonel Gass assumed command of the 379th EOG from outgoing commander Col. William Mullins (right). (U.S. Air Force photo by Airman 1st Class Ashley Tyler)