How does Israel's Arrow radar system support tactical ballistic missile defense?

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Warning system — warning system U.S. Air Force Boeing E-3 Sentry, an airborne warning and control system (AWACS) aircraft.

Israel's Arrow system is a tactical ballistic missile defense platform that utilizes an L-band (1–2 GHz) active-aperture phased-array radar to support its defensive operations.12

Unlike systems designed for short-range artillery rockets, such as the Iron Dome, the Arrow system is specifically engineered as an antiballistic missile (ABM) defense to protect the homeland from tactical ballistic missile threats. The use of an active-aperture phased-array radar allows the system to steer its radar beam electronically without the need to move large mechanical structures, providing the rapid tracking and engagement capabilities necessary for intercepting high-speed ballistic targets.12