U.S. Coast Guard Cutter Polar Star (WAGB 10) breaks through the pack ice on its way to the McMurdo Sound in the Ross Sea, Dec. 27, 2024. Polar Star is en route to Antarctica in support of Operation Deep Freeze, a joint service, interagency support operation for the National Science Foundation, which manages the United States Antarctic Program. (U.S. Coast Guard video by Seaman Chase Schlueter)