Coast Guard Cutter Healy corpsman Petty Officer 1st Class Roy Mesenscott provides medical training to the temporary regional dive locker team in the Bering Sea, July 23, 2021. During the Healy’s Northwest Passage deployment, the crew is blended with personnel from other commands, branches of service, federal organizations and scientists from several universities. U.S. Coast Guard photo by Petty Officer 3rd Class Janessa Warschkow.