Secretary Gates shakes hands with South Korean Defense Minister Lee Yong-gul. Secretary of Defense Robert M. Gates shakes hands with South Korean Defense Minister Lee Yong-gul during the 10th International Institute for Strategic Studies Asia Security Summit at the Shangri-La Hotel in Singapore on June 4, 2011. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 165918-W-CKB07-119.jpg Photo Gallery