SHARED SALUTE U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, and British Army Gen. Nicholas Houghton, chief of Britain's defense staff, salute during an honor cordon at the Pentagon, Oct. 28, 2013. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 927185-M-BNI00-927.jpg Photo Gallery