U.S. Marines and Navy medical personnel move a simulated casualty into an ambulance during a mass casualty drill as part of Steel Knight 23 at Naval Hospital Camp Pendleton on Marine Corps Base Camp Pendleton, California, Dec. 7, 2022. Steel Knight is an annual combined arms live-fire exercise which ensures 1st Marine Division is optimized for naval expeditionary warfare in contested spaces, and is purpose-built to facilitate future operations afloat and ashore. 1st Marine Division,MV-22B Osprey,Naval Hospital Camp Pendleton,SK23,Steel Knight,U.S. Navy,

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