When the fate of the nation was hanging by a thread as the North Korean Army launched an invasion of the South on June 25, 1950, about 1,100 officers and men from
the South Korean First Division's 11th, 12th, and 15th regiment retreated to Gimpo and built the last line of defense on Gaehwasan Mountain from June 26 to 30 to fight against a large army
of North Korean soldiers disguised as South Korean men.
Unfortunately, their communication with the headquarters was
cut off and their su...