The Phalanx close-in weapons system (CIWS) provides Navy ships with a rapid-fire, computer controlled, radar guided gun system for defence against anti-ship missiles.

Function Anti-ship missile defence
Manufacturer Raytheon Systems
Weight 5625 kilograms
Rate of fire 4500 rounds per minute
Calibre 20 millimetre
  • Auxiliary Oiler Replenishment (AOR)
  • Destroyer, Guided Missile (DDG)
  • Landing Ship, Dock (LSD)


Anti-missile and close-in weapon system