The captain delegation of the United States Navy pays a visit to the Chinese aircraft carrier Liaoning on October 19, 2015. The delegation talks with its Chinese counterpart about management and seamen training, medical insurance, development strategies for aircraft carriers, etc. This is a mutual visit based on the Sino-U.S. annual navy exchange program. The captain delegation of the Chinese Navy paid a four-day visit to the United States earlier this year. (Photo/people.com.cn)
