Two World War II shipwrecks lie two miles apart in the Gulf of Mexico . One is a German U-boat that sank an American steamer . Nazis sank about 50 American ships in the Gulf during the war . The other wreck was sunk by Japanese planes, and it's still there today.
Two World War II shipwrecks lie two miles apart in the Gulf of Mexico . One is a German U-boat that sank an American steamer . Nazis sank about 50 American ships in the Gulf during the war . Exploration Vessel Nautilus conducted dives in July to learn more about 1942 incident .