190117-N-PL946-1019 GREAT LAKES, Ill. (Jan. 17, 2019) First class petty officers from Recruit Training Command (RTC) take the chief petty officer Navy-wide advancement in a training classroom inside the USS Arleigh Burke recruit barracks. More than 30,000 recruits graduate annually from the Navy's only boot camp. Parts of the image are blurred for security and privacy purposes. (U.S. Navy photos by Mass Communication Specialist 1st Class Spencer Fling/Released)