U.S. Coast Guard Cutter Polar Star (WAGB 10) breaks a channel through the ice in the McMurdo Sound, Antarctica, Dec. 30, 2023. The U.S. military's support of U.S. Antarctic research began in 1955. U.S. Indo-Pacific Command continues to lead the Joint Task Force-Support Forces Antarctica team in providing logistic support for the United States Antarctic Program. (U.S. Coast Guard photo by Petty Officer 2nd Class Jeremy Burgess)