190603-F-QO224-1004
U.S. Air Force Capt. Vincent Pellegri, 351st Air Refueling Squadron aircraft commander, and 1st Lt. James Herbert, 351st ARS pilot, look over flight plans prior to takeoff during exercise Astral Knight at RAF Mildenhall, England, June 3, 2019. AK19 is a joint, multinational exercise which aims to demonstrate the integration, coordination, and interoperability of joint existing command and control at the operation and tactical levels. (U.S. Air Force photo by Airman 1st Class Brandon Esau)