MCMURDO STATION, Antartica (Jan. 31, 2023) Sailors from Navy Cargo Handling Battalion (NCHB) 1 and NCHB-5 offload shipping containers from the Military Sealift Command-chartered cargo ship MV Ocean Giant at McMurdo Station, Antarctica, Jan. 31, 2023. Joint Task Force–Support Forces Antarctica (JTF–SFA), oversees the activities of the joint services and provides Department of Defense support to the National Science Foundation (NSF) and United States Antarctic Program (USAP) through Operation Deep Freeze. (U.S. Navy photo by Senior Chief Mass Communication Specialist RJ Stratchko/Released)