Spc. Tyler Neier, 346th MP Company, 3rd Platoon, 3rd Squad (gunner), of Dodge City, Kan., mans a M240B machine gun while his convoy clears a bridge of improvised explosive devices. Tyler is attending CSTX 91 on Fort Hunter Ligget, Calif. with his reserve unit for annual training. The M240B is high-powered and fires 7.62mm rounds. The Combat Support Training Exercise 91 13-01 is planned and coordinated by the 91st Training Division (Operations) at Fort Hunter Liggett, Calif. CSTX gives participating units an opportunity to rehearse military maneuvers and tactics such as base security, convoy operations, and battle reaction drills during simulated enemy attacks as well as apply their Military Occupational Specialty skills in a theater of operations. The exercise provides realistic training to units to successfully meet the challenges of an extended and integrated battlefield.