Singapore's Permanent Secretary of Defense Chiang Chie Foo (3rd R, rear) and Deputy Chief of General Staff of the Chinese People's Liberation Army (PLA) General Ma Xiaotian (4th L, rear) attend a signing ceremony of the fourth China-Singapore defense policy dialogue in Singapore, Sept. 11, 2012. The fourth China-Singapore defense policy dialogue was held in Singapore on Tuesday, jointly chaired by Ma Xiaotian and Chiang Chie Foo. (Xinhua/Then Chih Wey)
