|[[Prototype 51cm Triple Gun Mount]]<br>[[51cm Twin Gun Mount]] (★+4)<br>[[Type 21 Air Radar Kai 2]] (★+8)<br>[[Shiun]] (★+10) | |[[Prototype 51cm Triple Gun Mount]]<br>[[51cm Twin Gun Mount]] (★+4)<br>[[Type 21 Air Radar Kai 2]] (★+8)<br>[[Shiun]] (★+10) |