German submarines, seen here at a German navy base in 2016, are among the country's main arms exportsMorris MacMatzen/Getty Images In the Canadian capital, Ottawa, on Monday, the defense ministers of ...

As World War II drew to a close, U.S. Navy intelligence suspected German U-boats equipped to launch V-1 rockets were preparing to hit New York City. The War Department dismissed the threat. The Navy ...

Some truly legendary submarines saw combat in World War II, with Germany's formidable U-boats being some of the best known. Naval travel was essential to opposing nations in order to transport weapons ...

Werner Hartenstein pulled drowning British troops from the Atlantic Ocean in September 1942. The German U-boat commander was flying Red Cross flags and even radioed for help in English. American ...