Changes
→Sonar and depth charges
| style="text-align: center;"|10
| style="text-align: center;"|10
| style="text-align: center;"|20
| style="text-align: center;"|20
| style="text-align: center;"|Type 93 SONAR (対潜 {{ASW}} +3)
| style="text-align: center;"|
Type 93 SONAR (対潜 {{ASW}} +3)
Type 3 SONAR (対潜 {{ASW}}+10, 命中 {{Hit}} +2)
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