Naval Submarine Medical Research Laboratory Renovates Genesis Chamber for Advanced Hyper-Hypobaric Research
The Naval Submarine Medical Research Laboratory has completed extensive renovations on the Genesis hypo-hyperbaric chamber in Groton, Connecticut, which was inaugurated in September 2025. Capable of simulating pressures up to 300 feet and altitudes of 70,000 feet, the chamber will facilitate advanced human research for Navy Medicine after being inactive since 2017, including studies on carbon dioxide absorption and decompression stress in collaboration with NASA.
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The Naval Submarine Medical Research Laboratory (NSMRL) completed renovations on the Genesis hypo-hyperbaric chamber in Groton, Connecticut, with a ribbon-cutting ceremony in September 2025. The chamber, capable of pressurization to 300 feet and altitudes of 70,000 feet, resumes human hyper-hypobaric research for Navy Medicine Research & Development after being inactive since 2017.
The complex includes three chambers, with Genesis being the largest, equipped with advanced life-support systems and a vacuum pump. NSMRL scientists are currently conducting three studies, including one on carbon dioxide absorption for disabled submarines, another on sympathetic nervous system responses to decompression stress, and a collaboration with NASA on hypobaric decompression for spaceflight.
The overhaul, initiated in 2019, is the most extensive since the chamber's establishment in the 1960s under Capt. George F. Bond.
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