170829-N-SL853-208 GREAT LAKES, Ill. (Aug. 29, 2017) First class petty officers from various commands throughout the nation participate in fire fighting application lab during the Back to Boot Camp program Aug. 29 at Recruit Training Command. The program is a five-day re-indoctrination to basic naval training and standards. Fire Fighting Applications lab is a high-risk trainer that allows participants to practice basic firefighting fundamentals while combating controlled fires. About 30,000-40,000 recruits graduate annually from the Navy's only boot camp. (U.S. Navy photo by Ensign Seth Schaeffer/Released)