During WWII, what was the largest ship sunk by the deck gun of a submarine? Did they ever sink a warship with a deck gun? - Quora
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File:Flickr - Official U.S. Navy Imagery - Peace time crew members man the five inch deck gun..jpg - Wikimedia Commons
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German U Boat Deck Gun at the Cenotaph in Bangor`s Ward Park on a Dull Morning in County Down Northern Ireland Stock Photo - Image of heroes, dull: 103931622
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