SECRETS OF WAR - Secret Submarines in WWII

Seizoen: 4 - Aflevering: 9 / 94 - Eerst uitgezonden: 02 januari 1999 - Episode ID: 1360435

From silent one-man midget subs to U-boats on secret missions, both sides used secret submersibles of all shapes and sizes to conduct clandestine warfare in the war. This is an examination of the murky world of underwater sneak craft in WWII.