Chilean Air Force KC-130R aircraft pilots fly over Washington during Exercise Mobility Guardian Sept. 23, 2019. The exercise is intended to test the abilities of the Mobility Air Forces to execute rapid global mobility missions in dynamic, contested environments. Mobility Guardian is Air Mobility Command's premier exercise, providing an opportunity for the Mobility Air Forces to train with joint and international partners in airlift, air refueling, aeromedical evacuation and mobility support. (U.S. Air Force photo by Tech. Sgt. Angela Ruiz)