An early-warning radar is any radar system used primarily for the long-range detection of its targets, i.e., allowing defences to be alerted as early as...

An airborne early warning and control (AEW&C) system is an airborne radar early warning system designed to detect aircraft, ships, vehicles, missiles...

The AN/FPS-20 was a widely used L band early warning and ground-controlled interception radar system employed by the United States Air Force Air Defense...

PAVE PAWS (PAVE Phased Array Warning System) is a complex Cold War early warning radar and computer system developed in 1980 to "detect and characterize...

The AN/FPS-132 Upgraded Early Warning Radar (UEWR) is a series of phased array radar systems used for long-range early warning and space surveillance,...

Ballistic Missile Early Warning System (BMEWS, 474L System, Project 474L) was a United States Air Force Cold War early warning radar, computer, and communications...

Vorkuta Olenegorsk Voronezh radars (‹See Tfd›Russian: РЛС Воронеж) are the current generation of Russian early-warning radar, providing long distance monitoring...

or 'curve') was an over-the-horizon radar (OTH) system used in the Soviet Union as part of its early-warning radar network for missile defense. It operated...

AMES Type 6, also known as the Light Warning Set or L/W, was a portable early warning radar developed by the Air Ministry Experimental Station (AMES) for...

definition a radar picket must be some distance removed from the anticipated targets to be capable of providing early warning. Often several detached radar units...