PHILIPPINE SEA (Jan. 4, 2023) U.S. Navy Aircrew Survival Equipmentman 2nd Class Dominque Oatman, left, from Williamsburg, Va., and Aircrew Survival Equipmentman 2nd Class Adrian Vega, from Merced, Calif., perform tests on a liquid oxygen tank aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz is in U.S. 7th Fleet conducting routine operations. U.S. 7th Fleet is the U.S. Navy's largest forward-deployed numbered fleet, and routinely interacts and operates with 35 maritime nations in preserving a free and open Indo-Pacific Region. (U.S. Navy photo by Mass Communication Specialist 3rd Class Hannah Kantner)