哎呀无论什么时候看都觉得M型潜艇这武装是怪物级的啊
1 × 12-inch (305mm)/40 cal Mark IX gun with 50 rounds
1 × 3 in (76 mm) Mk II HA anti-aircraft gun
4 × 18-inch (450mm) bow torpedo tubes with 4 reload torpedoes