Petty Officer 1st Class David Bradbury, has his dry suit adjusted by a fellow diver in preparation for a cold water ice dive operation off the Coast Guard Cutter Healy in the Arctic Ocean, Aug. 1, 2017. Divers are the Coast Guard’s primary resource for subsurface operations, including underwater inspections and maintenance on icebreakers and other cutters. U.S. Coast Guard photo by Senior Chief Petty Officer Rachel Polish