U.S. Soldiers with the 11th Transportation Battalion, 7th Transportation Brigade (Expeditionary), operate Rough Terrain Cargo Handlers to load cargo containers onto rail cars at Joint Base Langley-Eustis, Virginia, November 16, 2022. The cargo containers are filled with supplies that will support the National Science Foundation at McMurdo Station, Antarctica, which is part of Operation Deep Freeze. (U.S. Air Force photo by Abraham Essenmacher)