I've climbed inside 6 historic submarines from World War II and the Cold War. Here are the coolest things I've seen.

Historic submarines are surprisingly similar to those deployed by today's Navy and can provide an unprecedented look into ...
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I toured the USS Silversides, a World War II submarine that sank 23 enemy vessels and earned 12 battle stars. Take a look inside.

Add Yahoo as a preferred source to see more of our stories on Google. The USS Silversides submarine sank 23 ships and earned 12 battle stars during World War II. Visitors can tour the vessel at the ...