U.S. Coast Guard Cutter Polar Star (WAGB 10) flies an Operation Deep Freeze pennant on the bow during a crew exchange with the New Zealand Defense Force vessel HMNZS Aotearoa in McMurdo Sound during Operation Deep Freeze, Feb. 7, 2025. Operation Deep Freeze works closely with other Antarctic programs to include those of New Zealand, Australia and Italy, as well as their respective defense forces. (U.S. Coast Guard photo by Petty Officer 2nd Class Briana Carter)