During a Memorial Day wreath-laying ceremony at the Air Force Memorial at Washington, D.C., May 26, 2008, Chief Master Sergeant of the Air Force Rodney J. McKinley (second from right) pays tribute to the more than 55,000 Airman, since World War I, who have given their lives in service to their country. The ceremony was co-sponsored by the Air Force Association and Air Force Sergeants Association. (U.S. Air Force photo by Master Sgt. Jim Varhegyi)