Nearly 37,000 American troops and more than 2 million Chinese and Koreans died in the Korean War. The United States government says more than 8,000 American servicemen are still unaccounted for from the war.
On Friday, China reached an arrangement with the United States to hand over sensitive military records of the People's Liberation Army. The U.S. has been trying to gain access to the archives, which could shed light on the fate of the missing Americans, since 1992.
China entered the Korean War on the side of North Korea in 1950. The Chinese also managed many of the prisoner of war camps in North Korea.
Charles Ray, the deputy assistant secretary of defense for POW/Missing Personnel Affairs, talks to Jacki Lyden about the agreement.