Machinery technicians aboard Coast Guard Cutter Healy troubleshoot the ship's fresh water system Sept. 19, 2015, while underway in the Arctic Ocean. Healy is underway in support of Geotraces, an international effort to study the distribution of trace elements in the world's oceans. ( Coast Guard photo by Petty Officer 2nd Class Cory J. Mendenhall)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: arctic, coast, geotraces, guard, healy, icebreaker, ocean