In the dark days of World War II, the secretive staff at a large building on Nebraska Avenue NW in Washington kept a scoreboard of its success. Each time a German U-boat was sunk by the U.S. Navy, ...

Once the hunters of the Atlantic ocean, the German wolfpacks by 1944 had become the hunted. Allied task groups dubbed “Hunter-Killer[s]” methodically attacked, scuttled and destroyed German U-boats, ...

WORLD War Two codebreaker Ruth Bourne, who worked with Alan Turing to crack the German Enigma code, has died aged 99. Ms ...