U.S. Marine Corps Staff Sgt. Richard Hibble, a senior drill instructor with Recruit Processing Company, Support Battalion, orders recruits of Bravo Company, 1st Recruit Training Battalion, and November Company, 4th Recruit Training Battalion, to walk through the iconic silver doors June 5, 2017, on Parris Island, S.C. Senior drill instructors, like Hibble, 28, from Kenilworth, N.J., are responsible for the accountability and administrative processing of new recruits before they start training with their company drill instructors. Bravo Company is scheduled to graduate Sept. 1, 2017. Parris Island has been the site of Marine Corps recruit training since Nov. 1, 1915. Today, approximately 19,000 recruits come to Parris Island annually for the chance to become United States Marines by enduring 12 weeks of rigorous, transformative training. Parris Island is home to entry-level enlisted training for approximately 49 percent of male recruits and 100 percent of female recruits in the Marine Corps. (U.S. Marine Corps photo by Lance Cpl. Carlin Warren)