U.S. Army Gen. Martin E. Dempsey, center, chairman of the Joint Chiefs of Staff, listens as British Defense Secretary Philip Hammond talks during meetings with their British counterparts in London, June 10, 2014. U.S. Army Gen. Martin E. Dempsey, center, chairman of the Joint Chiefs of Staff, listens as British Defense Secretary Philip Hammond talks during meetings with their British counterparts in London, June 10, 2014. SHARE: Download: Full Size (3.02 MB) Tags: Photo Essays Credit: VIRIN: 349780-U-LCQ78-114.jpg Photo Gallery