Coast Guard’s heavy icebreaker returns to the U.S. after 128-day deployment in support of Operation Deep Freeze

SAN FRANCISCO – The U.S. Coast Guard Cutter Polar Star (WAGB 10) and crew returned to the United States, arriving in San Francisco Sunday, following a 128-day deployment to Antarctica in support of Operation Deep Freeze 2025. Polar Star completed its 28th voyage to Antarctica in support of the joint military service mission to resupply and maintain the United States Antarctic Stations. Every year, a joint total force team works together to complete a successful Operation Deep Freeze in support of the U.S. National Science Foundation – the agency that manages the United States Antarctic Program.