U.S. Army Pfc. Justin Blakeslee, left, and U.S. Army Sgt. Isaac Rosas, with the 331st Transportation Company, provide additional guidance to a Rough Terrain Cargo Handler loading a container onto a rail car 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)