Those quotes that I had posted earlier seem to sum it up. At first they were thought to be useless, until they realized that a damaged submarine trying to escape or at least trying to make to deep water in order to be able to submerge would be better served by being able to fire at a pursuing escort. People like "Mush" Morton and Dick O'Kane would probably have wanted them forward in order to hunt. I personally like mine in the stern, but it does make it difficult to chase down a surface vessel and sink it that way.
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