[Not in any particular rank or order]
1. Deutchland 'Armored Ships': Weren't as powerful as advertised. Had to go to distant seas to be viable. Were able to be defeated by Treaty Cruisers.
2. Scharnhorst class battleships: A WW2 battleship with underwhelming fire power.
3. Yamato: resource hogs, that couldn't turn the tide of the war.
4. The Long Lance torpedo: Long range with high speed, maybe it will hit the target, bet on it to drift off course. Sank IJN ships when detonated by enemy fire.
5. Iowa class battleships: they may have good capabilities but they were late comers.
6. Motor torpedo boats. vulnerable vulnerable
7. Bismarck: New battleships with inefficient use of displacement.
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REMEMBER:
Over rated does not mean it is bad.
Over rated means that it didn't live up to its hype.
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