The criteria for awarding the China Service medal consisted of service members who served ashore in China or who were attached to any of the vessels that operated in support of the operations in China between July 7, 1937, and September 7, 1939. Or to members who served ashore in China or were attached to any of the vessels that operated in support of operations in China between September 2, 1945 and April 1, 1957. Military services performed in the Asiatic-Pacific area between September 2, 1945 and March 2, 1946 could be credited for eligibility for the China Service Medal unless the individual was eligible for the Asiatic-Pacific Campaign Medal based on service performed prior to September 2, 1945.