GREAT LAKES, Ill. -- Fire Controlman 1st Class Joshua Massengill, right, an instructor at the USS Missouri Small Arms Marksmanship Trainer (SAMT) at Recruit Training Command (RTC), supervises Recruits practicing weapons handling and firing procedures during weapons familiarization training. More than 40,000 recruits train annually at the Navy's only boot camp. (U.S. Navy photo by Mass Communication 2nd Class Stuart Posada)