War Movie : Submarine X-1 (1968)

Submarine X-1

During World War II, the British Royal Navy used experimental midget submarines to raid German warships in Norway.
 
Storyline
After losing a submarine and fifty crew in a battle with a German ship during WWII, a Royal Navy officer gets a second chance in a daring raid with midget subs.
 
Credit to : Mirisch Films

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