U.S. Air Force Senior Airman Joshua Shaffer, 1st Operations Support Squadron air traffic controller, explains the mission of the 1st OSS air traffic control tower to an Air Force Junior ROTC cadet during Shadow Day at Langley Air Force Base, Va., June 24, 2014. During a week-long summer leadership program, 80 cadets joined Airmen to learn about the Air Force mission. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)