DEMILITARIZED ZONE U.S. Defense Secretary Chuck Hagel, right, and South Korean Defense Minister Kim Kwan-jin, second from right, stand at the Ouellette Observation Post at the Demilitarized Zone separating North and South Korea, Sept. 30, 2013. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 555029-H-TKA68-104.jpg Photo Gallery