A man made Island off Bermuda is headquarters for a unique Navy experiment - to find out how man can live under the sea. A sea lab, as the Navy calls it, houses four men for ten days as they see how they will react to this strange environment. Man continues his search for new worlds to conquer. A man made island off the coast of Bermuda, 'Argus Island'. SCUBA divers swimming down to the entrance of the sea lab. Diver swimming over the sea lab, U.S Navy. Diver pulling a cable and sticking it some pipe. Man looking in to a porthole. A large fish swimming by.