This book is about how the Korea War developed and the Demilitarized zone (DMZ) was created, and how I had served under frequent attacks by the enemy. The Korea was liberated by America but divided in north and south, and then the North invaded the South on June, 1950. Following the cease fire on 1953, the DMZ was born by the Military Armistice Agreement. Unfortunately the Korean DMZ stands still to this day and the constant dangers from the North Korea have been escalating since the North Korea intimidates the South and the world with possible nuclear weapon. People see this DMZ is Korean people's lasting regret and moreover, Korea has not conceived the true peace following the independence.