Crewmembers practice working with different hoses in an exercise aboard the Coast Guard Cutter Polar Star, Dec. 8, 2016. More than 140 Coast Guard crewmembers are deployed aboard the Polar Star in support of the National Science Foundation-managed Antarctic Program. ( Coast Guard photo by Lt. Cmdr. Donald Kuhl)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: antarctica, deep, freeze, icebreaker, icebreaking, operation, polar, seattle, star, training