Sgt. Cody Palfreyman guides a bulldozer as it moves the berm surrounding a guard post.
Sgt. Cody Palfreyman, a combat engineer with Alpha Company, 9th Engineer Support Battalion, guides a bulldozer as it moves the berm surrounding a guard post at Firebase Saenz, Helmand province, on Dec. 14, 2011. Firebase Saenz is the first of several patrol bases being demilitarized by the Marines of 9th Engineer Support Battalion throughout the month of December.