Deep-submergence vehicle
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A deep-submergence vehicle is a deep-diving crewed submersible that is self-propelled. Several navies operate vehicles that can be accurately described as DSVs. DSVs are commonly divided into two type
In 1960, Jacques Piccard and Don Walsh were the first people to explore the deepest part of the world's ocean, and the deepest location on the surface of the Earth's crust, in the bathyscaphe Trieste designed by Auguste Piccard.
Historical deep-submergence vehicles
DSV Limiting Factor of Triton Submarines during sea trials
Ictineu 3 inside a warehouse in Sant Feliu de Llobregat, Catalonia, Spain.
DSV Alvin
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Alvin is a crewed deep-ocean research submersible owned by the United States Navy and operated by the Woods Hole Oceanographic Institution of Woods Hole, Massachusetts. The original vehicle was built
Deep-submergence vehicle
…Konsul – 6,500 m DSV Alvin – 6,500 m DSV Sea Cliff – 6,000m…
Alvin in 1978, a year after first exploring hydrothermal vents. The rack hanging at the bow holds sample containers.
Emergency separation
General layout
The sunken Alvin on the ocean bottom in June 1969, photographed by USNS Mizar (T-AGOR-11)