Phalanx CIWS

The 20mm Phalanx CIWS (Close In Weapons System) is a robotic gattling gun designed to automatically destroy boats, missiles and aircraft approaching a Navy ship. It can fire 4,500 20mm rounds per minute. It has a range of about 2 miles max.

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World’s Top 5 Naval Close-in Weapon System (CIWS) 2020