191112-N-CY182-0998 NEWPORT, R.I. (Nov. 12, 2019) U.S. Navy divers Lt. Cmdr. Brendan O’Neill (MIT-Woods Hole) and Christian Schumacher (NUWC EDSU) perform a back-roll water entry into the cold water at the Narragansett Bay Test Facility in Newport, Rhode Island, to test an argon-treated wetsuit as part of a NEPTUNE project partnering the Massachusetts Institute of Technology, the Office of Naval Research and the Naval Undersea Warfare Center in Newport, RI. (U.S. Navy photo courtesy of McLaughlin Research Corp. by Susan Farley/Released)