200116-N-BM202-1003 GREAT LAKES, Ill. (Jan. 16, 2020) First class petty officers from Recruit Training Command take the chief petty officer Navy-wide advancement exam in a training classroom inside the USS Enterprise recruit barracks. More than 35,000 recruits graduate annually from the Navy's only boot camp. (U.S. Navy photo by Mass Communication Specialist 1st Class Camilo Fernan/Released)