**FILE** Defense Secretary Robert M. Gates (left) and Gen. Xu Caihou, vice chairman of China's Central Military Commission, listen to national anthems at an Oct. 27, 2009, welcome ceremony at the Pentagon. (Associated Press)
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**FILE** Defense Secretary Robert M. Gates (left) and Gen. Xu Caihou, vice chairman of China's Central Military Commission, listen to national anthems at an Oct. 27, 2009, welcome ceremony at the Pentagon. (Associated Press)
