Film director and explorer James Cameron made a solo desc…

Science2010sPacific Oceanhigh confidence

Film director and explorer James Cameron made a solo descent to Challenger Deep in 2012.

Notes on verification

Confirmed by Guinness World Records, WHOI, and ScienceDaily as independent corroborating sources. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.875 clusters=2 claim_tier=notable]

Sources

The Pacific Ocean—facts and information (seed:science_and_space)
https://www.guinnessworldrecords.com/world-records/613583-first-dive-to-the-challenger-deep-by-a-crewed-vessel-solo (corroboration)
https://www.whoi.edu/what-we-do/explore/underwater-vehicles/deepseachallenger/ (corroboration)

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