SOUTH CHINA SEA (Feb. 6, 2023) U.S. Navy Sailors participate in a mass casualty drill on the flight deck of the aircraft carrier USS Nimitz (CVN 68). Nimitz is in U.S. 7th Fleet conducting routine operations. 7th Fleet is the U.S. Navy's largest forward-deployed numbered fleet, and routinely interacts and operates with Allies and partners in preserving a free and open Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kenneth Lagadi)