Coast Guard Cutter Polar Star arrives at Pier 26 on Coast Guard Base Seattle after a 108-day deployment to Antarctica, March 21, 2014. Polar Star broke a navigable shipping lane through McMurdo Sound, freeing the shipping channel used by the tanker ship Maersk Peary to deliver approximately three and a half million gallons of fuel to McMurdo residents. (U.S. Coast Guard photo by Petty Officer 3rd Class Jordan Akiyama)
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