The crew of Coast Guard Cutter Shackle, a 65-foot Small Harbor Tug, breaks ice Wednesday, Jan. 10, 2018 near Logan International Airport in Boston Harbor. Shackle is capable of breaking up to 12 inches of ice. ( Coast Guard photo by Petty Officer 3rd Class Andrew Barresi)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: breaking, coast, guard, ice, uscg