| − | ''An improved variant of the ship-based anti-air rocket launcher, the "12cm 30-tube Rocket Launcher", further refined by lessons learned in combat.<br>With improvements to backblast countermeasures, reloading, and even fire control, the ability of the launcher's continuous rocket barrage of incendiary anti-air shrapnel to shield friendly ships from thinly armored enemy aircraft has further improved.<br>"Ise Kai" and "Hyuuga Kai" high anti-air effectiveness stands out further with this.
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