to continue to be supplied with helium while decompressing. Edwin Link's second Man in Sea experiment was conducted in June–July 1964 in the Berry Islands (a chain in the Bahamas) with Sténuit and Jon Lindbergh, one of the sons of Charles Lindbergh, who made the first solo nonstop flight across the Atlantic. Sténuit and Lindbergh stayed in the SPID habitat (Submersible, Portable, Inflatable Dwelling) for 49 hours underwater at a depth of 432 feet, breathing a helium-oxygen mixture. Dr. Joseph B. MacInnis participated in this dive as a life support specialist. At the end of the two divers' decompression, a Sea Diver crew member and Sténuit's wife, Annie Sténuit, sustained minor injuries when the end of an air tank blew off. Sténuit, who had developed a case of the bends during decompression, still had some lingering symptoms afterwards in his shoulders and ankles, but these eventually dissipated. In 1965, the Man in Sea project was taken over by a new company, Ocean Systems Inc. Link departed from the project, but Sténuit remained as a researcher, adviser and development engineer, conducting test dives in decompression chambers and underwater habitats and computing new helium-oxygen decompression tables for greater depths. In 1966, Ocean Systems established an office in London with Sténuit in charge. His professional work at this time involved drilling on off-shore oil and gas rigs in the North Sea, but in his spare time he began researching the wreck of the Spanish galleass Girona.Treasures of the Armada (Sténuit), p. 145. Underwater archeologist Sténuit became involved with underwater archeology and the search for shipwrecks, collaborating with Henri Delauze (president of COMEX). In 1968, Sténuit created the "Groupe de Recherche Archéologique Sous-Marine Post-Médiévale" (Group for Underwater Post-Medieval Archaeological Research), or "GRASP". GRASP has managed the inventory of 17 merchant shipwrecks and a number of warships from the 16th century through the 19th century. Sténuit's most important underwater archaeological discoveries are: Recovery of underwater treasures of the galleass Girona, part of the Invincible Armada. (1967)Treasures of the Armada (Sténuit), passim. Slot ter Hooge, a Dutch East Indiaman carrying a large quantity of gold and silver coins and bullion, which wrecked in 1724 near the Madeira Islands. (1975) The Witte Leeuw wreck, part of a convoy carrying spices and Ming porcelain. (1977) Robert Sténuit is the author of several books on diving and underwater archeology translated into several languages. Currently, he remains an active seeker