A Romanian air force F-16 Fighting Falcon aircraft approaches a U.S. Air Force KC-135 Stratotanker aircraft assigned to the 100th Air Refueling Wing, Royal Air Force Mildenhall, England, to receive fuel over Romania Oct. 7, 2021. The 100th ARW 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. (U.S. Air Force photo by Senior Airman Joseph Barron)