U.S. Deputy Defense Secretary Bob Work, left, meets with British Gen. Sir Nicholas Houghton, chief of defense staff, at the British Ministry of Defense in London, July 3, 2014. U.S. Deputy Defense Secretary Bob Work, left, meets with British Gen. Sir Nicholas Houghton, chief of defense staff, at the British Ministry of Defense in London, July 3, 2014. SHARE: Download: Full Size (1.73 MB) Tags: Photo Essays Credit: VIRIN: 683484-Y-IXZ86-740.jpg Photo Gallery