Yes you'll have to adjust your tactics. Japanese convoys were small. The torpedoes stunk, but had a real long range. If they model them, you'll have to be careful about surface attacks with possible armed merchants who wait until you get close enough to blow you out of the water.
Japanese patrol planes like the Rufe (a floatplane version of the Zero), along with the usual Val and long range Zeros which are harder to spot than a PBY or Sunderland.
Hopefully, real Naval engagements like Coral Sea, Midway Bismark Sea, Leyte, the Solomons, etc, etc. Task force picket duty, overt ops, resue missions, and recon. All in the paradise of the South Pcific, while you munch on your ice cream cones from your own onboard Dairy Queen. Since the water purifier constantly breaks down.
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A legislative act contrary to the Constitution is not law.
-John Marshall Chief Justice of the Supreme Court
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