Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey. Win McNamee/Getty Images hide caption

itoggle caption Win McNamee/Getty Images

Aug. 13: At Dover Air Force Base in Delaware, the remains of Marine Lance Cpl. Gregory T. Buckley are carried during a dignified transfer. He was killed in a "green on blue" attack. Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images