An E-3 Sentry pilot from the 961st Airborne Air Control Squadron on Kadena Air Base, Japan, and his copilot fly toward a KC-135 Stratotanker aerial refueling aircraft April 18, 2013. With its command and control capabilities and intelligence, surveillance and reconnaissance mission, the E-3 Sentry Airborne Warning and Control System aircraft assigned to the unit opens the crew's and Kadena AB's eyes to virtually everything in the air. (U.S. Air Force photo/Senior Airman Maeson L. Elleman)