Secretary Gates, British Secretary of State for Defense Liam Fox, UK Chief of Defense Sir David Richards and Adm. Mike Mullen render honors. Secretary of Defense Robert M. Gates (left), British Secretary of State for Defense Liam Fox, UK Chief of Defense Sir David Richards and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen (4th from left) render honors during the playing of the British and American national anthems at the Pentagon on April 26, 2011. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 154495-O-YHX54-704.jpg Photo Gallery