200520-N-NO492-6021 GREAT LAKES, Ill. (May 20, 2020) Recruits listen to an instructor during firefighting and damage control training inside the USS Chief Fire Fighter Trainer as part of the hands-on learning at Recruit Training Command. More than 35,000 recruits train annually at the Navy's only boot camp. (U.S. Navy photo by Seaman Amy Johnson/Released)