U.S. Air Force Staff Sgt. Deuderit Colon De Jesus, an airfield management operations supervisor from the 31st Operations Support Squadron, uses a radio to request permission from the air traffic control tower to cross the runway at Aviano Air Base, Italy, Nov. 13, 2019. The 31st Operations Support Squadron develops wing war plans, administers weapons and tactics programs and provides current operations planning, air traffic control, airfield management, weather and intelligence support. (U.S. Air Force photo by Airman 1st Class Ericka A. Woolever).