Battleships....I made an mistake once by thinking the sound I heard was from an Big Merchant....I,m like...finally....I can use my deck gun...its was Night ... could really see the ship but only the water spraying from its bow...And I calculated with the Map view the distance where the sound contact was and I fired....immediatly after the hit...I get the Reply from an BB nelson
I never seen my Sub crash dive that fast....killed my Deck gun crew thought and left my hull to 43%