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 Marine Corps return to Khe Sanh, Vietnam. Marine Corps converse and relax near post office bunker. American flag flutters on pile of sandbags. A United States Marine dives into trench with his hands on helmet during attack. (Vietnam War period).
View of wrecked C-130 Hercules at Khe Sanh, Vietnam. Maintenance personnel removes engine from the aircraft with the help of crane. Marine on wheel operates crane. Marines Corps watch as crane lifts wrecked parts of C-130 Hercules. Marines cut propeller blade from C-130 Hercules engine with acetylene torch. Marine on wheel with crane lifting C-130 engine in the background. Marine reverses the forklift vehicle. (Vietnam War period).
Light weapon carrier and jeep with United States Marine Corps drives on dirt road in Khe Sanh, Vietnam. Marine Corp seated on a large tire. Marine Corps display cache of captured helmet and guns on ground. Group of Marines check captured guns. (Vietnam War period).
25th Infantry Division soldiers undergo Mines and Booby Trap course at Cu Chi, South Vietnam. Instructor shows students bobby traps. Booby trap is placed on table with 'First In-Last Out' written in the background. Soldiers check equipment. They enter the bobby trap display area. (Vietnam War period).
25th Infantry Division U.S. Army soldiers learn about Mines and Booby Traps during course at Cu Chi, South Vietnam. Instructor briefs students. Inert aerial bomb with 25th Infantry Division insignia in the background. United States soldiers seated on bleacher. Instructor holds Vietcong weapon in hand. (Vietnam War period).