World War II was fought in Europe and the Pacific between the Axis powers (Germany, Italy and Japan) and the Allies (the United States, Great Britain and France). The war began in 1939 and ended in 1945. Over 12 million military personnel served during the war. The average duration of service was 33 months.
The Korean War took place during the 1950s between North Korea (Democratic People’s Republic of Korea) and South Korea (Republic of Korea). Several countries were involved in the conflict, including China, Russia and the United States. Millions of U.S. military personnel served during the Korean War.