Royal Air Force Air Commodore Roddy Dennis, Air Component Commander and Air Officer Commanding 83 Expeditionary Air Group, addresses UK forces during a change of command ceremony at Al Udeid Air Base, Qatar, Oct. 22, 2017. Air Cdre. Johnny Stringer handed over command of the 83 EAG to Air Cdre. Dennis during the ceremony. (U.S. Air National Guard photo by Staff Sgt. Patrick Evenson)