The problem with the WO is that he is instant and accurate. With WO help all you must do is stick up your periscope for less than 2 seconds and fire away and if the fish run well than your gaurented a hit. Without WO help you have to track the convoy/ship, prepare to attack it and observe it before the attack.
So whilst it is unrealistic not to have a WO helping you, the SHIII WO is even more unrealistic.
Thats why I dont use him.
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