The age of diesel-powered submarines began in 1912, and these subs dominated the waters for more than 40 years, through both World War I and World War II. In the U.S., this era ended when the last ...

I toured the USS Cobia, a World War II submarine that sank 13 ships and received 4 battle stars. Take a look inside. The USS Cobia submarine sank 13 ships and rescued seven downed American pilots ...

The submarine is perhaps the most effective ocean-going craft for defeating naval vessels, and it was one of the most feared and revered weapons of World War II. While several countries built and ...