U.S. Airmen assigned to the 909th Air Refueling Squadron, Kadena Air Base, Japan, prepare for a mission during RED FLAG-Alaska 19-3 at Eielson Air Force Base, Alaska, Aug. 7, 2019. RF-A is a Pacific Air Forces-directed field training exercise for U.S. and partner forces flown under simulated air combat conditions. (U.S. Air Force photo by Tech. Sgt. Matthew B. Fredericks)