Seaman Sarah Treacy stands watch on the navigation bridge of U.S. Coast Guard Cutter Healy (WAGB 20) as the cutter transits the Chukchi Sea, June 30, 2025. The Healy is the United States' largest polar icebreaker and routinely operates above the Arctic Circle. (U.S. Coast Guard photo by Petty Officer 1st Class Steve Strohmaier)