United States Navy/Catalogs/Electronics

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• AAR-47 [r]: Add brief definition or description
• ALE-47 [r]: Add brief definition or description
• ALQ-165 [r]: Add brief definition or description
• ALQ-214 [r]: Add brief definition or description
• APG-81 [r]: Add brief definition or description
• APS-145 [r]: Add brief definition or description
• APY-2 [r]: Add brief definition or description
• SLQ-25 [r]: A towed deceptive decoy for protecting ships against acoustic-homing torpedoes ^[e]
• SPG-62 [r]: In the AEGIS battle management system for anti-air warfare, this radar provides the final illumination for terminal guidance of an SM-2 surface-to-air missile ^[e]
• SPS-49 [r]: A long-range air search radar, part of the AEGIS battle management system only on Ticonderoga-class cruisers, not Burke-class destroyers; non-AEGIS use on Canadian Halifax-class frigates ^[e]
• SPS-64 [r]: A Raytheon commercial and military system of navigation radar; while on U.S. Navy ships including the Burke-class and Ticonderoga-class, it is independent of the AEGIS battle management system ^[e]
• SPY-1 [r]: This is the main radar for the air and cruise missile defense functions of the AEGIS battle management system aboard cruisers and destroyers ^[e]
• SPY-2 [r]: A supplementary radar for AEGIS battle management system ships, which adds theater ballistic missile defense engagement for the RIM-161 Standard SM-3 missile ^[e]