"40 killed/drowned" . "4 submarines" . "Convoy OB 318"@en . . "3Destroyers" . "40 freighters" . . . . . "25pxGermany" . "7 freighters sunk (35,315GRT)" . "OB 318 was a North Atlantic convoy which ran during the Battle of the Atlantic in World War II. During Operation Primrose Royal Navy convoy escorts HMS Bulldog, Broadway and Aubretia captured U-110 with an intact Enigma machine and a wealth of signals intelligence, which led to the Allied breakthrough into cracking the German naval Enigma code."@en . "2Naval trawlers" . "1941-05-10Z"^^ . "25pxUnited Kingdom" . . "3Corvettes" . "2 freighters damaged" . "British victory" . . .