SOUTH CHINA SEA (Feb. 6, 2023) U.S. Navy Sailors treat a simulated injured patient during a mass casualty drill aboard the aircraft carrier USS Nimitz (CVN 68), Feb. 6 , 2023. 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)