CHECKPOINT SECURITY U.S. Army Sgt. 1st Class Brian Snyder watches as an Iraqi humvee enters a security checkpoint in Amiriyah, Iraq, April 4, 2008. Snyder is a platoon sergeant assigned to the 4th Infantry Division's Troop C, 4th Battalion, 10th Cavalry Regiment, 2nd Brigade Combat Team. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 063935-S-FBV70-438.jpg Photo Gallery