WALL WATCH A U.S. soldier provides security along a wall on Combat Out Post Baraki-Barak in Afghanistan's Logar province, Jan. 5, 2013. The soldier is assigned to the 1st Squadron, 91st Calvary Regiment, 173rd Airborne Brigade Combat Team. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 692888-T-USD50-026.jpg Photo Gallery