First manned underwater habitat

Last updated: September 29, 2017 at 1:21 am

1962 – Man-in-the-Sea I project by Edwin A. LinkRobert Sténuit spent 24 hours and 15 minutes in a submersible decompression chamber (SDC) at a depth of 61 m (200 ft) on September 6, 1962. Sténuit’s record immersion off Villefranche-sur-Mer (France) also included several dives outside of the habitat. In 1964 Sténuit and Jon Lindbergh spent 49 hours at a depth of 126 meters during Man-in-the-Sea II. The breathing gas for both projects was heliox (97% helium, 3% oxygen).

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