The Coast Guard Cutter Healy (WAGB 20) breaks through Arctic ice as the crew transits the Northwest Passage, Sept. 2, 2021. Healy, a 420-foot medium icebreaker, departed its Seattle homeport in July to conduct Coast Guard missions in addition to supporting oceanographic research during its circumnavigation of North America. U.S. Coast Guard photo by Chief Petty Officer Matt Masaschi.