U.S. Army Sgt. Nicholas Luisi, 331st Transportation Company, cargo specialist, operates a Rough Terrain Cargo Handler to load cargo containers onto rail cars at Joint Base Langley-Eustis, Virginia, November 16, 2022, as a part of Operation Deep Freeze. The supplies within the containers will support the 3,200 scientists, researchers, and support personnel at McMurdo Station, Antarctica. (U.S. Air Force photo by Abraham Essenmacher)