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3 Episodes 2003 - 2003
Episode 1
45 mins
New testimony from British sailors and the U-boat men who hunted them, plus archive material and dramatic reconstructions, illustrate the threat from Churchill's one fear, the hidden enemy under the sea.
Episode 2
45 mins
In May 1941, listening stations began intercepting messages from U-Boats patrolling in the Atlantic, sent from their Headquarters. If Naval Inteligience could decode them would be able to locate an enemy in 3 million sq miles of ocean.
Episode 3
45 mins
In 1942; Karl Dönitz commanded 342 U-Boats and hoped to strike a decisive blow on the convoys in which the Allied war depended. Fast on the surface, able to hide beneath it, the U-Boat seemed invincible. This is how the Allies fought back.