U.S. Army Staff Sgt. William Hacker, foreground, demonstrates rifle marksmanship to Iraqi soldiers before conducting a weapons qualification on Camp Taji, Iraq, March 8, 2015. U.S. Army Staff Sgt. William Hacker, foreground, demonstrates rifle marksmanship to Iraqi soldiers before conducting a weapons qualification on Camp Taji, Iraq, March 8, 2015. SHARE: Download: Full Size (2.11 MB) Tags: Photo Essays Credit: VIRIN: 959531-I-KDY09-608.jpg Photo Gallery