GUAM ARRIVAL U.S. Defense Secretary Robert M. Gates is greeted by Guamanian officials upon his arrival on Andersen Air Force Base, Guam, May 29, 2008. Gates is on a seven-day trip in the Pacific region to discuss security issues. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 543086-F-DVG69-180.jpg Photo Gallery