Winston Churchill once wrote, “... the only thing that ever really frightened me during the war was the U-Boat peril”. If The Allies had lost, Britain would have been starved into surrender. 99-year-old John Roberts gives us a fantastic insight into The Battle of the Atlantic, the longest running campaign of WWII.John left the Royal Navy as a Rear Admiral, having joined-up aged 17 in 1938. When he first went to sea in 1941, The Allies were suffering terrible losses. John explains how the...