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Published online by Cambridge University Press: 27 October 2009
The United States Coast Guard's involvement in the polar regions and, eventually, with polar icebreakers, reaches back to 1867, when Alaska was purchased from the Soviet Union. That same year the US Revenue Cutter Service, as the US Coast Guard was then known, despatched the Lincoln north to make the first official exploration of the new territory. Out of this voyage was born the Service's close association with the polar regions which continues today (Evans, 1949).