Cmdr. William Woityra, operations officer aboard Coast Guard Cutter Healy, meets members of the crew and science party of the German icebreaker Polarstern, at the North Pole Sept. 7, 2015, on an ice floe between the two ships. 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, geotraces, healy, icebreaker, north, polarstern, pole