Footage of two men demonstrating small U-boat.
Unused / unissued material - dates and locations unclear or unknown.
2 Man submarine.
Various shots of two men in underwater gear moving through water on small U-boat. M/S of the crew members climbing ladder onto ship. M/S of the two men on deck wearing jumpers, one smokes cigarette. M/S of man being helped into large wet suit. More shots of two men using submarine. Back on board ship crew members help them take their shoes off. L/S of men on board the submarine which is now on the ship. They demonstrate how to operate the controls. Several more similar shots.