The Korean War started when the North Koreans invaded South Korea. The Communist North Koreans were backed by the USSR and the Capitalist South Koreans were backed by the United States. 33,741 U.S. military soldiers died in the "forgotten war". The POW's of the war had little chances of living. Out of 7,245 POW's, 2,847 were found dead and only 389 were returned to the U.S.A. It ended on July 27, 1953.