Deepest underwater habitat (Europe)
Last updated: April 13, 2020 at 19:54 pm
Conshelf III | Précontinent III | 1965 (France) — A team of six Cousteau divers spent 22 days at 100 m (328 ft) in the Mediterranean Sea off the coast of southern France (Île du Levant). The two-level spherical habitat weighed 140 tons and had a diameter of 6 m (20 ft). The divers breathed a gas mixture of 98% helium and 2% oxygen for the duration. The team of aquanauts consisted of André Laban, Philippe Cousteau, Jacques Rollet, Christian Bonnici, Raymond Coll and Yves Omer.