Petty Officer 3rd Class David Buck demonstrates plugging techniques Aug. 30, 2016 in the damage control shop. Underway for its second mission, Cutter Healy embarked a team of researchers from the Scripps Institution of Oceanography, UC-San Diego, and the Office of Naval Research who are deploying an array of acoustic bottom moorings to collect data on how climate change and decreased ice coverage is affecting the Arctic Ocean. U.S. Coast Guard photo by Petty Officer 2nd Class Christopher M. Yaw/Pacific Area External Affairs