Deputy Secretary William J. Lynn III chairs a Pentagon meeting with British Prime Minister David Cameron. Deputy Secretary of Defense William J. Lynn III (left) chairs a Pentagon meeting with British Prime Minister David Cameron (2nd from right) on July 21, 2010. The meeting was attended by military and civilian leaders of the Department of Defense. Joining Cameron are Royal Navy Defense Attach‚ Vice Adm. Michael Harwood, Ambassador to the United States Nigel Sheinwald and National Security Advisor Sir Peter Ricketts (right). SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 627609-A-DOE41-425.jpg Photo Gallery