PENTAGON WELCOME U.S. Defense Secretary Chuck Hagel, left, hosts an honor cordon and working lunch for Singapore's Prime Minister Lee Hsien Loong at the Pentagon, April 1, 2013. The two leaders met to discuss issues of mutual concern. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 401571-K-ZQN93-440.jpg Photo Gallery