U.S. Pfc. Xavier D. Coleman, fire support specialist, Company A, 4th Battalion, 23rd Infantry Regiment, 172nd Stryker Brigade Combat Team, Fort Richardson, Alaska, uses a Stryker light armored vehicle for cover while Staff Sgt. Jonathan A. Garner, fire support noncommissioned officer, Company A, mans a .50-caliber machine gun during a patrol in Mosul, Iraq, Oct. 20, 2005. U.S. Army photo by Spc. Jeremy D. Crisp