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Ocean & Marine · Recorded milestone

Alvin research submersible

Recorded year1964

A crewed deep submersible that later discovers hydrothermal vent ecosystems.

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Built on

Deepest diveRecorded · 1960enables

Led to

Hadal research stationsForecast · ~2036enables
Underwater settlementsForecast · ~2040enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.