The Phalanx CIWS advanced radar- controlled gun system provides superior defense against close-in air and surface threats. The Phalanx Close-In Weapon System is a rapid-fire, computer-controlled, radar-guided gun system designed to defeat anti-ship missiles and other close-in air and surface threats. A self-contained package, Phalanx automatically carries out functions usually performed by multiple systems -- including search, detection, threat evaluation, tracking, engagement, and kill assessment.