U.S. Air Force Airman 1st Class James Brady, 1st Operations Support Squadron Airfield Management operation coordinator, measures sections of the flight line with a digital measuring wheel at Langley Air Force Base, Va., Dec. 17, 2013. Airfield management uses multiple tools to ensure the safety of the airfield and aircraft. Brady hails from Liberty, North Carolina. (U.S. Air Force photo by Airman 1st Class Victoria H. Taylor/ Released)