NIGHT SHIFT U.S. Marine Corps Sgt. Cody Palfreyman guides a bulldozer as it moves the berm surrounding a guard post on Firebase Saenz in Afghanistan's Helmand province, Dec. 14, 2011. Palfreyman is a combat engineer assigned to Alpha Company, 9th Engineer Support Battalion. The firebase is the first of several patrol bases being demilitarized by the Marines in December. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 868397-L-YMZ05-691.jpg Photo Gallery