170208-N-CM124-136 GREAT LAKES, Ill. (Feb. 8, 2017) Interior Communications Electrician 2nd Class Michael Marshalsea, a recruit division commander (RDC) at Recruit Training Command, motivates a prospective RDC during a physical fitness session. Students train for 13 weeks the Navy's only boot camp to become an RDC where 30,000-40,000 recruits graduate annually. (U.S. Navy photo by Susan Krawczyk/Released)