U.S. Coast Guard Cutter Polar Star deployed from Seattle in November on the 146-day mission supporting Operation Deep Freeze.
The New York Air National Guard's 109th Airlift Wing concluded its 38th year supporting American scientific research in Antarctica during the 2025–2026 Operation Deep Freeze season.
The Military Sealift Command chartered heavy lift ship Plantijngracht is conducting cargo offload operations at McMurdo Station, Antarctica, as part of MSC's ongoing support of the annual Antarctic resupply mission: Operation Deep Freeze 2026.
The U.S. Coast Guard cutter Polar Star began icebreaking operations in the Southern Ocean in support of Operation Deep Freeze 26 and marked its 50th year of commissioned service by freeing and escorting a cruise ship trapped in a pack of ice.