An E-3 Sentry from the 961st Airborne Air Control Squadron takes off from Kadena June 25, 2010. The E-3 Sentry is an airborne warning and control system (AWACS) aircraft provides all-weather surveillance, command, control and communications needed by commanders of U.S., NATO and other allied air defense forces. (U.S. Air Force photo/Senior Airman Amanda Grabiec)