Pfc. Anthony C. Alamillo and Pfc. Nathan S. Barnes, mortar men, Weapons Company, 2nd Battalion, 7th Marine Regiment, provide support fire with a M224A1 60mm Mortar System during Exercise Chosin, a squad-level training evolution, at Range 410, August 26, 2015. The Marines with Weapons Company provided support to Company E as they executed an assault course. (Official Marine Corps photo by Pfc. Levi Schultz/Released) - Pfc. Anthony C. Alamillo and Pfc. Nathan S. Barnes, mortar men, Weapons Company, 2nd Battalion, 7th Marine Regiment, provide support fire with a M224A1 60mm Mortar System during Exercise Chosin, a squad-level training evolution, at Range 410, August 26, 2015. The Marines with Weapons Company provided support to Company E as they executed an assault course. (Official Marine Corps photo by Pfc. Levi Schultz/Released)