
INVESTIGATION — Cpl. Joshua J. Frazier, left, a 24-year-old squad leader for Company A, 1st Battalion, 6th Marine Regiment, and Lance Cpl. Michael D. Douglas, a 22-year-old mortar man with Company A, peer down through a collapsed floor in their base at Ar Ramadi, Iraq, Sept. 26, 2006. U.S. Marine Corps photo by Cpl. Paul Robbins Jr.