SAN DIEGO (Dec. 6, 2021) Landing Craft, Utility 1680 approaches amphibious landing ship dock USS Harpers Ferry (LSD 49) to offload 3rd Battalion, 1st Marines during exercise Steel Knight 22 (SK 22), Dec. 6, 2021. SK 22 is a 1st Marine Division led annual training exercise which enables the Navy-Marine Corps team to operate in a realistic, combined-arms environment to enhance naval warfighting tactics, techniques and procedures. (U.S. Navy photo by Ensign Jon Saadey)