170201-N-SL853-126 GREAT LAKES, Ill. (Feb. 1, 2017) Recruits from Divisions 099 and 100 receive instructions on coverall inflation techniques for survival at sea during their third-class swimming test at Recruit Training Command. Recruits attend initial swim qualifications on their first official day of training. About 30,000-40,000 recruits graduate annually from the Navy's only boot camp. (U.S. Navy photo by Chief Petty Officer Seth Schaeffer/Released)