Members of the Iraqi national police command observe closely during a class led by U.S. Army Spc. Chance McGraw from Southern Pines, N.C., assigned to 1st Platoon, Alpha Troop, 5th of the 73rd Cavalry Squadron, Brigade Special Troops Battalion, 82nd Airborne Division, who instructs them on how to make a terrain model at Forward Operating Base Salie, near Baghdad, Iraq, Sept. 8, 2009.