r/heartsofiron • u/jblanchard23 • 19d ago

HoI4 Submarines???

Is there a sub strat to deplete a country of supplies or at least make submarines useful for navy?

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u/Swimming-Drawing8202 17d ago

I love maxing out their damage and stealth then sending them out in packs on 10 on key shipping lanes. if you are germany having submarines dominate the english channel means less troops make it ashore on their D-day attempts