SINGAPORE ARRIVAL U.S. Defense Secretary Robert M. Gates meets with U.S. Air Force Col. Tim Miller, acting U.S. Defense Attache to Singapore, upon his arrival in Singapore to attend the Shangri-La Dialogue, June 2, 2011. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 412143-L-PYP60-666.jpg Photo Gallery