DSV Turtle

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DSV Turtle hoisted from the deck of the support vessel MV Dolores Chouest

Turtle (DSV-3) is a 16-ton, manned deep-ocean research submersible owned by the United States Navy. It is sister to Alvin (DSV-2), and also an Alvin class Deep Submergence Vehicle. The Turtle was retired from active service in 1998. It now resides at the Mystic Aquarium in Mystic, Connecticut

The Turtle was designed to dive to 6000 feet. When DSV-2 Alvin installed a new titanium hull, the Alvin steel hull was installed in the Turtle. The Turtle depth rating was then increased to 10,000 feet. It has a hull 2 inches thick,[citation needed] and a hatch about 3-1/2 inches thick held in place by the pressure of the water above it (it is tapered, narrower inward). The Alvin-class DSV's were designed to replace older DSV, such as the less maneuverable Trieste-class bathyscaphes.

Alvin class DSV[edit]

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