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Deepsea Challenger (DCV 1) was a 7.3-metre (24 ft) deep-diving submersible designed to reach the bottom of the Challenger Deep, the deepest-known point on Earth.On 26 March 2012, Canadian film director James Cameron piloted the craft to accomplish this goal in the second crewed dive reaching the Challenger Deep.
On 7 May 2019, Vescovo and Jamieson, in Limiting Factor, made the first human-occupied deep submersible dive to the bottom of the Sirena Deep, the third deepest point in the ocean, about 128 mi (206 km) northeast of Challenger Deep. They spent 176 minutes at the bottom, and among the samples they retrieved was a piece of mantle rock from the ...
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. A deep-submergence vehicle (DSV) is a deep-diving crewed submersible that is ...
John Mattera (born 1962), discoverer of the pirate ship of Joseph Bannister, and the Golden Fleece, and cave diver who mapped cave systems in the Dominican Republic; Agnes Milowka (23 December 1981 – 27 February 2011), Australian cave diver, underwater photographer and author; Sir John Murray (1841–1914), Scots–Canadian marine biologist
Deepest scuba dive on compressed air (July 1999 in Puerto Galera, Philippines). [20] 200 m (660 ft) Limit for surface light penetration sufficient for plant growth in clear water, though some visibility may be possible farther down. [nb 3] 230 m (750 ft) First dive on a hydrox-rebreather (14 February 2023 in the Pearse Resurgence, New Zealand ...
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The Johnson Sea Link was the successor to Edwin Link's previous submersible, Deep Diver, the first small submersible designed for lockout diving.In 1968 the Bureau of Ships determined that Deep Diver was unsafe for use at great depths or in extremely cold temperatures because of the substitution of the wrong kind of steel, which became brittle in cold water, in some parts of the submersible. [6]
DSV-4 (formerly known as Sea Cliff) is a 25-ton, crewed deep-ocean research submersible owned by the United States Navy, now known only by its hull number, not by its former name. DSV-4 is an Alvin -class deep submergence vehicle (DSV), a sister ship to Turtle (DSV-3) and Alvin (DSV-2) .
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