U.S. Air Force E-3 Sentry, the premiere air battle command and control aircraft in the world today, in flight—U.S. Air Force photo by SSgt Cecilio M. Ricardo Jr.
An E-3 Sentry at Lajes Field, Azores in April 2011. Often referred to as the Airborne Warning and Control System (AWACS) each Sentry can remain aloft 8 to 11 hours before in-flight refueling is required in order to control the airspace over a battlefield—U.S. Air Force photo by TSgt Chyrece Campbell
An E-3 Sentry being serviced—U.S. Air Force photo by TSgt Arian Nead
An E-3 Sentry Airborne Warning and Control System in flight (note the radome as well as forward fuselage bulges for additional radar systems—U.S. Air Force photo by Percy G. Jones