It contains a radar subsystem that permits surveillance from the Earth's surface up into the stratosphere, over land or water. The radar combined with an identification friend or foe 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 E-3 fleet will complete its largest upgrade in 2001. Joint Tactical Information Distribution System to provide secure, anti-jam communication for information distribution, position location and identification capabilities. Global Positioning System, a satellite-based positioning capability to provide precise global navigation.
Consoles display computer-processed data in graphic and tabular format on video screens.
Console operators perform surveillance, identification, weapons control, battle management and communications functions. The radar and computer subsystems on the E-3 Sentry can gather and present broad and detailed battlefield information. Data is collected as events occur. This includes position and tracking information on enemy aircraft and ships, and location and status of friendly aircraft and naval vessels. The information can be sent to major command and control centers in rear areas or aboard ships.