First manned underwater habitat [Multi-day]
Last updated: December 14, 2017 at 14:32 pm
1962 – Conshelf I (France) – Albert Falco and Claude Wesly became the world’s first multi-day aquanauts by spending seven days in the Diogenes habitat at a depth of 10 m (33 ft). The experiment supervised by Jacques Y. Cousteau off the Frioul Archipelago near Marseille began on September 14. Falco and Wesly spent an average 19 hours inside the habitat and 5 hours on scuba conducting various assignments. The breathing gas was air. The experiement was known in French as Précontinent I.