U.S. Coast Guard Chief Petty Officer Andrew Herbeck, a crew member aboard USCGC Polar Star (WAGB 10), holds a M-16 shoulder-launched line throwing gun (SLTG) prior to conducting a training evolution in the Ross Sea during Operation Deep Freeze 2026, Jan. 25, 2026. Pacific Air Forces operates on a 24-hour basis to provide the U.S. National Science Foundation complete joint operational and logistic support for Operation Deep Freeze. (U.S. Coast Guard photo by Petty Officer 2nd Class Christopher Bokum)