SOUTH CHINA SEA (April 30, 2023) Sailors fire a .50-caliber machine gun during a live-fire exercise aboard 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 Hannah Kantner)