"It is adapted from real battles during the Korean War. On June 25, 1950, North Korea sent its troops across the 38th Parallel to raid South Korea, and captured Seoul (today's Seoul) in three days. The battle line continued to advance southward. With the support of US and UN forces, the South Korean army counterattacked. U.S. military commander MacArthur proposed the Incheon operation codenamed "Operation Iron Chrome"..."