A Conductivity, Temperature, and Depth instrument sits below the surface of the Gulf of Alaska deployed by the Coast Guard Cutter Healy (WAGB 20) crew during their Arctic deployment on Aug. 26, 2021. During their circumnavigation of North America, Healy and its crew will conduct Coast Guard missions, support oceanographic research, and promote U.S. interests throughout the region. U.S. Coast Guard photo by Chief Petty Officer Matt Masaschi.