MCMURDO STATION - Cargo Handlers from Navy Cargo Handling Battalion 1 and 13 attach slings to a piece of civil engineering support equipment in the hold of the Military Sea-Lift Command chartered container ship MV Ocean Giant in preparation for offload during a resupply mission in support of Operation Deep Freeze 2015. ODF is an annual U.S. Pacific Air Forces-led joint interagency mission to provide logistical and transportation support to the National Science Foundation and the U.S. Antarctic Program. Joint Task Force-Support Forces Antarctica coordinates strategic inter-theater airlift, tactical deep field support, aeromedical evacuation support, search and rescue response, sealift, seaport access, bulk fuel supply, port cargo handling, and transportation requirements for USAP.