Now they are in a race against time to learn the secrets hidden. U-boats stranded on the south coast of England after the surrender of Germany in the First World War are surrounded by onlookers on ...

In 1918, one of the largest, best-equipped German U-boats executed the only attack on US soil during World War I. A rain of shells fell on top of Nauset Beach in Massachusetts while hundreds of people ...

A German submarine torpedoed the S.S. Pennsylvania Sun on July 15, 1942, destroying 107,500 barrels of U.S. Navy fuel oil. Public domain via Wikimedia Commons Early on June 29, 1942, the 8,032-ton ...