The Frogmen in Action : A German Artist's Impression of the attack

The Frogmen in Action : A German Artist's Impression of the attack They seperate the twin cylinders, flood the compressed air chamber so that the torpedoes sink to a depth of 24 feet, and fix it to the piers of the bridge. The use oxygen apparatus in order to swim under water. When the torpedo is in position, they swim away as fast as they can. The fuse is already set, the clock is ticking away.