American military soldiers and other men and women protest and demonstrate in Washington DC during a moratorium to end the Vietnam War. Men wearing caps with signs on them. Some hippies in the crowd. Anti-war American soldiers (veterans of prior wars) shout slogans as they demonstrate against the Vietnam War outside the National Archives Building (700 Pennsylvania Avenue, NW Washington, DC 20408-0001). They carry banners and posters that read 'Vote for Servicemen' and 'GIs against Vietnam'. A demonstrator with a peace sign flag walks toward the steps of the Archives Building and other demonstrators follow him. A peace activist or pacifist demonstrator who is a serviceman stands on the stairs of the building. Other soldiers walk down the steps.
At start of film, a U.S. Army officer is seen talking with some soldiers preparing to depart Tay Ninh airfield for Nui-Ba-Den mountain, Vietnam. Next, the troops head across the field to helicopters of the 187th Assault Helicopter Co. (the Crusaders), waiting on marsden matting pavement at the field. A line of helicopters with troops aboard and engines running. They take off sequentially in trail formation. (Vietnam War period).
Soldiers of the Fourth Infantry Division of the U.S. Army undergo indoctrination course in grenade handling at Camp Enari in Vietnam. The instructor explains to the soldiers the proper handling of a grenade. The instructor throws a grenade. Smoke arises as the grenade hits the ground. The soldiers throw explosives and grenades. (Vietnam War period).
United States Marines with bullet proof vests and helmets adjust range on 105 mm Howitzer at Khe Sanh, Vietnam. Platoon leader 1st Lieutenant David Pearce of Rochester, stands atop ammunition crates aiming circle to lay C battery. United States soldiers lift sandbags. Number of parachutes descends. (Vietnam War period).
United States Marines set up 81 mm Mortar near sandbags at Khe Sanh, Vietnam. Marines seated atop a wall of sandbags writes on a piece of paper. Group of soldiers dig with spade and fill sandbags in a dirt area. (Vietnam War period).
United States Marines stand in reinforced trench line; fire .38 caliber pistol and M-16 rifle at Khe Sanh, Vietnam. Two Marines soldiers converse with each other. KC-130F aircraft in flight. The aircraft drops supplies with the help of parachutes. CH46A Sea Knight helicopter flies overhead. Supplies being drooped by parachutes from a KC-130F aircraft. Marine soldiers in RFK-60 forklifts gather parachutes and supplies. Vehicles load supplies on to parked 6x6 trucks. (Vietnam War period).