On Sunday, June 25, 1950, just before as sunrise, South Korean soldiers and their American advisors awakened to what they expected to be just another routine day guarding the demarcation line separating South Korea from Communist North Korea. Instead, they woke up to North Korean artillery blowing apart their positions, followed by heavy tanks and thousands of screaming North Korean soldiers. Outnumbered and outgunned, the UN forces were powerless to rout the invaders, forcing them into a...