SECURITY AGREEMENT U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, and South Korean chairman of the Joint Chiefs of Staff Gen. Jung Seung-jo sign updated security agreements after the 38th Military Committee Meeting in Seoul, South Korea, Sept. 30, 2013. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 348185-K-ZYD95-169.jpg Photo Gallery