PHILIPPINE SEA (May 18, 2023) A Sailor uses a thermal imager during a general quarters drill aboard the aircraft carrier USS Nimitz (CVN 68) in the Philippine Sea, May 18, 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 Kevin Tang)