68 years ago:
Above Us the Waves (UK)
In World War II, the greatest threat to the British navy is the German battleship Tirpitz. While anchored in a Norwegian fjord, it is impossible to attack by conventional means, so a plan is hatched for a special commando unit to attack it, using midget submarines to plant underwater explosives.
1955-03-29
https://www.themoviedb.org/movie/28909
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