A history of the U.S. involvement in the Korean War.Delegates walk from jeeps toward a large tent. LS of the truce talks tent in Panmunjom. Quick shots of artillery and tank fire and explosions. Shots of fields buried with rocket shells. The truce talks tent in Panmunjom, with guards standing out front, now in surrouned by snow in the winter. A soldier sweeps snow off the roof of a tent. Soliders run across fields. A plane zooms down toward a hill. An explosion on top of a hill; the superimposed words "Heartbreak Ridge" emerge from the explosion. A soldier ducks at the sound of a gunshot. An explosion on top of a hill; the superimposed words "Bunker Hill" emerge from the explosion. Soliders climb a hill through smoke. An explosion on top of a hill; the superimposed words "Blody Ridge" emerge from the explosion. Tanks and Howitzer fire. Explosions on top of a hill; the superimposed words "T-Bone" emerge from the explosions. A plane drops three bombs on top of a hill; the superimposed words "The Hook" emerge from the explosion, which produces a small black mushroom cloud. Soldiers in trenches fire mortars. Explosions on side of a hill; the superimposed words "Sniper Ridge" emerge from the explosions.