RAF MILDENHALL, England -- A U.S. Air Force KC-135 Stratotanker from the 100th Air Refueling Wing, RAF Mildenhall, England, refueled a German air force Tornado from the Tactical Air Force Squadron 51, Schleswig Air Base, Germany, over Germany, April 29, 2020. The 100th Air Refueling Wing is the only permanent U.S. air refueling wing in the European theater, providing the critical air refueling "bridge" which allows the Expeditionary Air Force to deploy around the globe at a moment's notice.