PACIFIC OCEAN (Dec. 6, 2021) Navy and Army medical personnel perform surgery on a simulated patient during a casualty evacuation training exercise aboard the amphibious assault ship USS Makin Island (LHD 8) during exercise Steel Knight 22 (SK22), Dec. 6. SK22 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 Mass Communication Specialist 2nd Class Kristopher S. Haley)