Three U.S. Air Force KC-135 Stratotanker aircraft, assigned to the 100th Air Refueling Wing, Royal Air Force Mildenhall, England, sit on the flightline before conducting air refueling operations during Exercise Wolff Pack at Spangdahlem Air Base, Germany, Sept. 30, 2020. Aircraft were dispersed throughout Europe to test the 100th ARW’s ability to generate rapid aerial refueling capability from a diverse set of air bases. (U.S. Air Force photo by Airman 1st Class Joseph Barron)