160303-M-CJ988-289 PARRIS ISLAND, S.C. (March 3, 2016) Martial Arts Instructor Staff Sgt. Trelaine S. Buffaloe commands a recruit of Delta Company, 1st Recruit Training Battalion, while Secretary of the Navy Ray Mabus observes parts of the Crucible on board Parris Island, S.C. Parris Island is the only place in the Marine Corps where enlisted males and females undergo 70 training days to earn the title United States Marine. Today, approximately 19,000 recruits come to Parris Island annually for the chance to become United States Marines by enduring 13 weeks of rigorous, transformative training. Parris Island is home to entry-level enlisted training for approximately 50 percent of male recruits and 100 percent of female recruits in the Marine Corps. (U.S. Marine Corps photo by Staff Sgt. Greg Thomas/Released)