A 909th Air Refueling Squadron (ARS) patch on the shoulder of a 909th ARS pilot as he prepares for flight during exercise Northern Edge, May 16, 2019, at Eielson Air Force Base, Alaska. Units participating in Northern Edge have access to the Joint Pacific Alaska Range Complex, which is one of the largest training ranges in the world, with approximately 65,000 square miles of available airspace; 2,500 square miles of land and 42,000 square nautical miles of surface, subsurfaces and overlying airspace. (U.S. Air Force photo by 1st Lt. Kayshel Trudell)