Monitoring air traffic
Airman Benjamin Cobb (Left) and Tech. Sgt. Ruben Rivera (Right), both members of the 60th Operations Support Squadron, monitor air traffic over Travis Air Force Base, Calif., inside the Travis Radar Approach Control facility April 3, 2017. Travis air traffic controllers monitor an average of 367 aircraft daily. (U.S. Air Force photo/Tech. Sgt. James Hodgman/Released)