James Cameron
Deep-sea exploration

Cameron has experience with deep-sea exploration, in part because of his work on The Abyss, Titanic, and Avatar: The Way of Water and his childhood fascination with shipwrecks. He has contributed to advancements in underwater filming and remotely operated vehicles, and helped develop the 3D Fusion Camera System. In 2011, Cameron became a National Geographic explorer-in-residence. In this role, on March 7, 2012, he dived five miles deep to the bottom of the New Britain Trench with the Deepsea Challenger. 19 days later, Cameron reached the Challenger Deep, the deepest part of the Mariana Trench. He spent more than three hours exploring the ocean floor, becoming the first to accomplish the trip alone. During his dive to the Challenger Deep, he discovered new species of sea cucumber, squid worm and a giant single-celled amoeba. He was preceded by unmanned dives in 1995 and 2009, as well as by Jacques Piccard and Don Walsh, the first men to reach the bottom of the Mariana Trench aboard the bathyscaphe Trieste in 1960.

In the aftermath of the Titan submersible implosion, Cameron made appearances in multiple news outlets where he criticized OceanGate and its co-founder Stockton Rush for failing to certify the company's submersibles for safety. He was also critical of the use of carbon-fiber composite in the company's Titan submersible, stating that the material has "no strength in external compression" when withstanding the pressure in deep-sea environments. On July 15, Cameron stated that he had no plans for an OceanGate documentary.
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