U.S. Marine Corps Maj. Gen. Gregg Sturdevant, background left, director of strategic planning and policy at U.S. Pacific Command, and Chinese navy Rear Adm. Han Xiaohu, background right, assistant chief of staff, shake hands after signing a summary of meeting minutes at the end of the 2013 Military Maritime Consultative Agreement (MMCA) plenary meeting between the U.S. Department of Defense and the Chinese Ministry of National Defense, at Marine Corps Base Hawaii, Hawaii, Aug. 23, 2013. MMCA is a consultation mechanism to strengthen military maritime safety, and the plenary meeting is the venue for discussing military maritime safety between maritime and air forces of the U.S. and China.