Whiteman Tower: Eyes on the Skies
U.S. Air Force Airman 1st Class Chanel Johnson, 509th Operations Support Squadron air traffic control apprentice, writes on a flight progress strip at Whiteman Air Force Base, Mo., July 10, 2014. Flight progress strips are used to keep track of aircraft missions, and contain the aircraft name, type, departure time and instructions for landing. (U.S. Air Force photo by Airman 1st Class Keenan Berry/Released)