S4·E9 – Secret Submarines in WWII
• 60 min
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.
• 60 min
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.
