FORT RILEY, Kan., March 18, 2008 – In simulated villages on the honey-hued Midwest prairie here, U.S. troops are learning to serve as military advisors to Iraqi and Afghan forces. Afghan National Army Sgt. Maj. Mostafa Rahmani stands guard at the doorway of a dwelling being searched by U.S. and Afghan soldiers during advisor training at Fort Riley, Kan., March 17. Defense Dept. photo by Gerry J. Gilmore (Click photo for screen-resolution image);high-resolution image available. Since 2006, soldiers of the U.S. Army 1st Infantry Division’s 1st Brigade Combat Team, based here, have trained 5,767 soldiers, 840 sailors and 1,172 airmen...