Defense Secretary Robert M. Gates, second from left, receives an honors salute from Royal Danish troops at the Royal Lifeguard Barracks in Copenhagen, Denmark, April 1, 2008. Defense Secretary Robert M. Gates, second from left, receives an honors salute from Royal Danish troops at the Royal Lifeguard Barracks in Copenhagen, Denmark, April 1, 2008. SHARE: Download: Full Size (0.76 MB) Tags: Photo Essays Credit: VIRIN: 518211-V-NVR62-773.jpg Photo Gallery