U.S. Marines with 2nd Battalion, 11th Marine Regiment,

U.S. Marines with 2nd Battalion, 11th Marine Regiment, 1st Marine Division, offload from a CH-53E Super Stallion during Steel Knight 20 (SK20) at Marine Corps Air Station Yuma, Arizona, Dec. 10, 2019. SK20 is designed to test the division’s ability to facilitate Marine Air Ground Task Force operations afloat and ashore to ensure the 1st Marine Division is ready to conduct full-scale operations in a contested environment against a capable, near-peer adversary. (U.S. Marine Corps photo by Cpl. Jack C. Howell)