PACIFIC OCEAN (July 22, 2021) A Sailor uses a naval firefighting thermal imager in a firefighting evolution during a general quarters drill aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), July 22, 2021. Vinson is underway conducting routine operations in U.S. Third Fleet. (U.S. Navy photo by Mass Communication Specialist Seaman Sophia Simons)