Above Us the Waves (film)

Above Us the Waves is a 1955 British war film directed by Ralph Thomas, about human torpedo and midget submarine attacks on the German battleship Tirpitz. It is based on two truelife attacks on the Tirpitz by British commando frogmen, first using Chariot manned torpedoes in Operation Title in 1942, and then XCraft midget submarines in Operation Source in 1943. Some of the original equipment was used in the film.

Fraser assembles and trains a force of British commando frogmen officers and ratings to use the Mk I Human Torpedo manned torpedoes Chariots at their Scottish base. After receiving a refusal to allow the operation to go ahead from an admiral, the team use dummy mines to attack the admirals own ship using the Chariots.An attack is authorised on the Tirpitz with the initial operation using the Chariots. The attack fails and the crew are forced to abandon ship and land in Norway. They walk to neutral Sweden from where they are returned to Scotland. ........

Source: Wikipedia