Aluminaut
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Aluminaut was the world's first aluminum submarine. An experimental vessel, the 80-ton, 15.5-metre (51 ft) crewed deep-ocean research submersible was built by Reynolds Metals Company, which was seeking to promote the utility of aluminum. Aluminaut was based in Miami, Florida, and was operated from 1964 to 1970 by Reynolds Submarine Services, doing contract work for the U.S. Navy and other organizations, including marine biologist Jacques Cousteau.
The recovered B28FI thermonuclear bomb was displayed by U.S. Navy officials on the fantail of the submarine rescue ship U.S.S. Petrel after it was located in the Mediterranean Sea off the coast of Spain at a depth of 762 meters and recovered in April 1966
DSV Alvin
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Alvin (DSV-2) is a crewed deep-ocean research submersible owned by the United States Navy and operated by the Woods Hole Oceanographic Institution (WHOI) in Woods Hole, Massachusetts. The original vehicle was built by General Mills' Electronics Group in Minneapolis, Minnesota. Named to honor the prime mover and creative inspiration for the vehicle, Allyn Vine, Alvin was commissioned on June 5, 1964.
Emergency separation
General layout
The sunken Alvin on the ocean bottom in June 1969, photographed by USNS Mizar (T-AGOR-11).