Langley tower keeps aircraft traffic safe
An F-22 Raptor takes off after receiving confirmation from the 1st Operations Support Squadron air traffic control tower at Langley Air Force Base, Va., Jan. 20, 2015. The control tower supports approximately 30,000 missions annually and communicates with local flight facilities to coordinate safe air traffic. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)