Ensign Luc Bay, a crewmember aboard U.S. Coast Guard Cutter Polar Star (WAGB 10), checks a chart of the cutter’s spaces during a damage control exercise in McMurdo Sound during Operation Deep Freeze, Jan. 8, 2025. Polar Star is conducting ice-breaking operations in Antarctica in support of Operation Deep Freeze, a joint service, inter-agency support operation for the National Science Foundation, which manages the United States Antarctic Program. (U.S. Coast Guard photo by Petty Officer 2nd Class Briana Carter)