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Pop goes the explorer

Now wait for the film

Cameron's deep tweet

Deepest solo dive in history

Back from the deep

Captain on deck

Two trench explorers

Filmmaker James Cameron emerges from the Deepsea Challenger submersible.

Cameron piloted his specially designed solo submersible to a site known as "Challenger Deep," the deepest part of the Pacific Ocean's Mariana Trench -- about 6.8 miles down.

Cameron is the only individual ever to complete the dive in a solo vehicle, and the first person since 1960 to reach the very bottom of the world in a manned submersible.
Caption by / Photo by Photo by Mark Thiessen/National Geographic
The "Deepsea Challenge" expedition is being chronicled for a 3D feature film on the intensive technological and scientific efforts behind Cameron's dive.

Cameron and the Deepsea Challenge submersible are seen here being lowered into the Pacific Ocean at the start of his expedition on March 24.
Caption by / Photo by Mark Thiessen/National Geographic
At 7:52 a.m. local time on March 25, Cameron (@jimcameron) reached a depth of 35,755 feet and soon after issued what may be the world's deepest tweet: "Just arrived at the ocean's deepest pt. Hitting bottom never felt so good. Can't wait to share what I'm seeing w/ you @DeepChallenge"
Caption by / Photo by Photo by Mark Thiessen/National Geographic
The Deepsea Challenge traveled at 3 to 4 knots on the way down, slowing as it neared the bottom.

Microsoft co-founder Paul Allen tweeted stats and updates from the surface, noting at one point that "James Cameron now the deepest solo diver in history, 3rd deepest ocean diver ever...25550 ft."
Caption by / Photo by Photo by Mark Thiessen/National Geographic
Cameron is met by ocean explorer and U.S. Navy Capt. Don Walsh, right, after completing his voyage.
Caption by / Photo by Photo by Mark Thiessen/National Geographic
Cameron in the hatch of the Deepsea submersible as he prepares for his dive.
Caption by / Photo by Mark Thiessen/National Geographic
Another shot of Cameron and ocean explorer Don Walsh (far right). Walsh was aboard the first manned vessel to reach the bottom of Challenger Deep 52 years ago, the Swiss designed bathyscaphe Trieste.
Caption by / Photo by Photo by Mark Thiessen/National Geographic
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