Lance Cpl. Ryan Hurst, a 23-year-old infantryman, with

Lance Cpl. Ryan Hurst, a 23-year-old infantryman, with Alpha Company, 1st Battalion, 1st Marine Regiment, and a native of Kokomo, Ind., watches his sector of fire while conducting drills in the Infantry Immersion Trainer aboard Camp San Mateo here, July 31, 2013. The Marines worked as a team to complete the IIT and stay combat effective and deployment ready. The squads used role-players to submerge themselves in simulated cultural differences during multiple situations and scenarios in the field and the classroom.