The crew of Coast Guard Cutter Shackle, a 65-foot Small Harbor Tug, gets underway Wednesday, Jan. 10, 2018 in Boston Harbor. The crew of the Shackle spent the morning breaking ice near Boston Logan International Airport. ( Coast Guard photo by Petty Officer 3rd Class Andrew Barresi)

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