''The long 10 cm high-angle gun has excellent fleet air-defense capability.<br>This equipment is a version of said gun upgraded for air defense on large ships.<br>It combines the upgraded version of the 10 cm gun mounted on the Akizuki-class air-defense destroyers with concentrated deployments of additional machine guns to form an air-defense package.
==Mechanics==
==Mechanics==
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* '''2018-02-16:''' Implemented
* '''2018-02-16:''' Implemented
* '''2018-04-06:''' Became improvable, became possible to equip in expansion slots of certain ships
* '''2018-04-06:''' Became improvable, became possible to equip in expansion slots of certain ships