Dempsey, Carter and Obama bow their heads during an invocation by Studniewski during the Memorial Day...
Chairman of the Joint Chiefs of Staff U.S. Army General Martin Dempsey (from 3rd R), U.S. Defense Secretary Ash Carter and President Barack Obama bow their heads during an invocation by U.S. Army Chaplain Gary Studniewski (L) during the Memorial Day observance at Arlington National Cemetery in Arlington, Virginia May 25, 2015. REUTERS/Jonathan Ernst
