MCMURDO STATION, Antarctica (Feb. 21, 2023) Sailors from Navy Cargo Handling Battalion (NCHB) 1 and NCHB-5 onload sections of modular causeway system from the Military Sealift Command-chartered cargo ship MV Ocean Giant to Soldiers from U.S. Army 7th Transportation Brigade (Expeditionary) at McMurdo Station, Antarctica. 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)