In time of crisis, this data can also be forwarded to the president and secretary of defense. The information can be sent to major command and control centers in rear areas or aboard ships. This includes position and tracking information on enemy aircraft and ships, and location and status of friendly aircraft and naval vessels. The radar and computer subsystems on the E-3 Sentry can gather and present broad and detailed battlefield information. Mission crew members perform surveillance, identification, weapons control, battle management and communications functions.
The mission suite includes consoles that display computer-processed data in graphic and tabular format on video screens. Major subsystems in the E-3 are avionics, navigation, communications, sensors (radar and passive detection) and identification tools (IFF/SIF). The radar combined with an identification friend or foe, or IFF, subsystem can look down to detect, identify and track enemy and friendly low-flying aircraft by eliminating ground clutter returns that confuse other radar systems. The radar has a range of more than 250 miles (375.5 kilometers). It contains a radar subsystem that permits surveillance from the Earth's surface up into the stratosphere, over land or water. The dome is 30 feet (9.1 meters) in diameter, six feet (1.8 meters) thick, and is held 11 feet (3.33 meters) above the fuselage by two struts. The E-3 Sentry is a modified Boeing 707/320 commercial airframe with a rotating radar dome. AWACS provides situational awareness of friendly, neutral and hostile activity, command and control of an area of responsibility, battle management of theater forces, all-altitude and all-weather surveillance of the battle space, and early warning of enemy actions during joint, allied, and coalition operations. The aircraft provides an accurate, real-time picture of the battlespace to the Joint Air Operations Center. The E-3 Sentry is an airborne warning and control system, or AWACS, aircraft with an integrated command and control battle management, or C2BM, surveillance, target detection, and tracking platform.
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