Phalanx

Mk15 Block 1B Phalanx Close-In-Weapon-System (CIWS)
Function
Anti-ship missile defence
Manufacturer Raytheon Systems
Weight 5,625 kilograms
Rate of Fire
4,500 rounds per minute
Caliber
20 millimetre
Usage

The Phalanx Close-In Weapons System (CWIS) provides Royal Australian Navy ships with a rapid-fire, computer controlled, radar guided gun system for defence against anti-ship missiles.