OWI’s report last week that U.S. merchant-marine casualties in one year of war had reached 3,200 or 3.8% of the crews* underlined the gravity of the U-boat campaign—a campaign which may yet ...

Divers hunt for the wrecks of World War Two’s longest campaign that lie off Ireland’s north west coast, as historians explore ...

Deep-sea divers hunt for the wrecks of Hitler’s dreaded U-boat fleet off the north west coast of Ireland, while historians unravel the early stages of World War II’s longest campaign.