Cmdr. William Woityra, operations officer aboard Coast Guard Cutter Healy, teaches an oceanography class to crew members Sept. 30, 2015, in the cutter's wardroom. The class is being taught to crew members for college credit while underway for 65 days in the Arctic Ocean. Healy is underway in the Arctic Ocean in support of the National Science Foundation-funded Arctic GEOTRACES, part of 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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Keywords: arctic, coast, geotraces, guard, healy, icebreaker, ocean, oceanography