The crew of Canadian Coast Guard Ship Amundsen prepares to tie up alongside U.S. Coast Guard Cutter Maple in the Arctic waters of Queen Maud Gulf, August 8, 2017. The Canadian Coast Guard crew provided fuel for the crew of U.S. Coast Guard Cutter Maple in support of the Maple's transit through the Northwest Passage to the Atlantic. (U.S. Coast Guard photo by Petty Officer 2nd Class Nate Littlejohn/Released)