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List of submarines of World War II - Wikipedia
List of specifications of submarines of World War II - Wikipedia
Category : World War II submarines of the United States
WW2 American Submarines - Models, armaments and tactics
Submarines in World War II - U.S. National Park Service
Leaders of the Deep: Top WWII Submariners and their Submarines
Submarine in World War II - National Museum of American History
Submarine Combat Patrols - NHHC
The 10 Most Legendary Submarines Of WW2 Ranked From Worst …
Submarine Warfare Played Major Role in World War II Victory