Longest time spent living in an underwater habitat
Who
Richard Presley
What
69, 19 day(s), hour(s), minute(s)
Where
United States Key Largo
When
Richard Presley (USA) spent 69 days 19 min in a module underwater at a lagoon in Key Largo, Florida, USA from 6 May to 14 July 1992. The test was carried out as part of a mission entitled Project Atlantis which had as its aim to explore the human factors of living in an undersea environment.