SINGAPORE WELCOME U.S Ambassador to Singapore Kirk Wagar greets U.S. Defense Secretary Ash Carter and his wife, Stephanie, as they arrive at Paya Lebar Air Base in Singapore, May 28, 2015. Carter is on a 10-day trip to the Asia-Pacific region to build stronger security ties with U.S allies in Southeast Asia. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 928023-B-IUH20-216.jpg Photo Gallery