180805-N-PL946-1033 GREAT LAKES, Ill. (Aug. 5, 2018) Capt. Erik Thors, commanding officer of Recruit Training Command (RTC), welcomes Sen. Tammy Duckworth, of Illinois, to the USS Marlinespike training facility at RTC. Naval Station Great Lakes and RTC hosted Duckworth for a command overview and facilities tour. More than 30,000 recruits graduate annually from the Navy's only boot camp. (U.S. Navy photo by Mass Communication Specialist 2nd Class Spencer Fling)