PRIME MINISTER MEETING U.S. Defense Secretary Ash Carter, left, meets with Singaporean Prime Minister Lee Hsien Loong in Singapore, May 29, 2015. Carter is visiting the Asia-Pacific region to strengthen relationships and modernize U.S. alliances. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 730726-U-XCR67-424.jpg Photo Gallery