U.S. Marine Corps Lance Cpl. Tom McConas (left), and

U.S. Marine Corps Lance Cpl. Tom McConas (left), and Lance Cpl. Mathew Villa (right) with Weapons Company, 2nd Battalion, 3rd Marine Regiment, 3rd Marine Division (2/3) receive instructions for movement at the Infantry Immersion Trainer on Marine Corps Training Area Bellows Dec. 13, 2011. Marines and sailors with 2/3 conducted training operations in a simulated combat environment during Exercise Island Viper at MCTAB in preparation for a future deployment to Afghanistan in support of Operation Enduring Freedom. (U.S. Marine Corps photo by Cpl. Jody Lee Smith)