For example, Chengkung class ships have the 2O mm Vulcan Phalanx CIWS gun, which can fire 3000 rounds per minute. "It's like an impenetrable steel net, which can intercept incoming missiles," explains Captain Liu Shiaw-jyh.
以成功艦上的「方陣快砲」來說，當敵人的反艦飛彈來犯，「一分鐘可射出三千發砲彈，就好像一座密不透風的鐵網，可將反艦飛彈攔截」，海軍子儀軍艦艦長劉孝志上校說。