Not good choice:
At 39-43 YOU are a hunter, in 43-45 you are hunted.
What is fun with escape to the depths all time, hour by hour? The Allies controlled the air, have aircrafts permanently in air, have seeking groups, high-trained escorts equipped with long range radars... This frustration is not the game - you want it?
Unless you mean a hunting uboats between 43-45 - and both game are DC2 vs. SH5 - it would be what I would like to see all my heart...
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