Scientists aboard Coast Guard Cutter Healy collect ice cores and other data on an ice floe Sept. 19, 2015, while underway in the Arctic Ocean. Healy crew members stand ice rescue watch and bear watch on the ice while the scientists work. 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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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: arctic, coast, geotraces, guard, healy, icebreaker, ocean