Which DSV was renamed Bakunawa after its 2022 sale?

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The DSV renamed Bakunawa after its 2022 sale was Limiting Factor. Built by Triton Submarines, it was commissioned for explorer Victor Vescovo and operated by his company, Caladan Oceanic, from 2018 to 2022.

Limiting Factor is a Triton 36000/2 crewed submersible certified for full-ocean-depth dives. Its titanium pressure hull carries a pilot and an observer, and it was designed for repeated descents to depths far beyond 10,000 metres. The vehicle cost about $37 million and normally worked with the support vessel DSSV Pressure Drop.

The submersible became famous during the Five Deeps Expedition, when Vescovo piloted it to the deepest point in each of the five oceans. It also carried out dives to Challenger Deep and several deep-sea shipwrecks. After the 2022 sale to Gabe Newell's Inkfish ocean-exploration organisation, the vehicle was renamed Bakunawa, after a creature from Filipino mythology. A common mix-up is confusing the renamed submersible with Pressure Drop, which was separately renamed Dagon.

Source: Wikipedia · fact-checked Aug. 2026

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