A sunken WWII-era Japanese 'mega sub' has been found near Hawaii

Researchers diving off the coast of Hawaii have found a sunken 400-foot (122 meter) "Sen-Toku" class submarine. One of the largest pre-nuclear subs ever built, the "mega sub" was torpedoed by the U.S. shortly after the Second World War to prevent the Soviet Union from getting their hands on the super-advanced… » 12/04/13 4:51pm 12/04/13 4:51pm