The German submarine U-977, a Type VIIC U-boat, became the center of one of World War II’s most intriguing post-war mysteries ...

In 2001, a pint-sized German diesel sub snuck past an entire carrier strike group managing to get within ramming distance of ...

The German U-boat U-853 sank the last U.S. merchant ship sunk in WWII. ... But I’d never known if that was a sign World War II naval battles happened close to America. Well, ...

One of the deadliest military machines of World War II was the infamous German U-boat. While most people know a little about U-boats and are more than aware that they're submarines, one thing that ...

The first U-boat to enter the Gulf was U-507, which cruised into the area on April 30, 1942.By May 12, it had sunk five Allied tankers and cargo ships. One of these vessels, the tanker Munger T ...

The U.S. vessel was sunk by a German submarine during World War II. PROVIDED PHOTO BY ASSOCIATED PRESS/OCEAN EXPLORATION TRUST Ballard's photos show that the U-boat itself was broken in two by the ...

An aerial view of Germany’s Peenemünde Army Research Center is shown in 1943. The U.S. Army bombed it after learning from German POWs it interrogated that the center was a prime rocket-making ...

This undated photo, provided by the National WW II Museum in New Orleans, shows Oberleutnant zur See Hans-Gunther Kuhlmann, center, saluting commander of the German U-boat U-166 on his boat.

By the time World War I began in July 1914, the world’s leading 16 navies had a total of 400 submarines. Britain, however, was certain the war would be won on land.