U.S. Marines (1st Battalion, 26th Marines, A Company), wearing camouflage from natural materials, advance across the jungle in Khe Sanh, Vietnam. One Marine talks on phone. One Marine carries a portable PRC-25 back pack radio. The Marine squad moves, on trail, through the jungle growth. Squad leader points and moves followed by several others. Marine with backpack radio converses on the phone, as other squad members pass him including an African American Marine. Marines take a break. One sits on ground and smokes a cigarette. A Marine uses an entrenching tool to dig a foxhole. (Vietnam War period).
U.S. Marines carry wounded Marine on poncho across grassy field in South West Danang, Vietnam. Marines give arm and hand signals to CH46A helicopter. The helicopter lowers and releases sling. Walking wounded Marine assisted across grassy field toward rear of idling CH-46A helicopter. Marines hold legs of 81mm mortar. Marine loads rounds into tube of 81mm mortar. Several Marines stand in area, looking on. Marine holds M-72 66 mm LAW which is aimed out. Marine seated on the ground using compass board to determine direction of fire. Marine holds phone of radio to his ear. (Vietnam War period).
U.S. Marines firing 81mm high explosive rounds out in Danang, Vietnam. Other mortar crew does the same. Marines carry boxes of 'C' rations and stack them near other Marines. Marines kneel in grass field near 60 mm mortar which he loads and fires out. Marine loads high explosive round into 60 mm mortar tube and fires it out. Marines carry wounded Marine on stretcher. Wounded loaded aboard UH34D helicopter. Walking wounded Marine assisted by Marines across grass area. UH34D medivac helicopter takes off. Marine with cart belt, canteens and pack seated on ground, fires his M-16 rifle toward wooded and bushy area in the background. Marine fires his M-60 machine gun. Assistant machine gunner untangles belted ammunition. Marine fires his M-79 grenade launcher out. (Vietnam War period).
U.S. Marine Engineer places C-4 explosive with fuse atop dud 105 mm howitzer round lying in dirt area in Danang, Vietnam. He picks up M-16 rifle and walks away. U.S. Marines move carrying board or aiming stake. Marines move through shallow pool of water. Marine assists another Marine on grassy dirt bank. A Marine reads mail. (Vietnam War period).
U.S. 2nd Field Forces, 199th Light Infantry Brigade fighting with Vietcong in Vietnam. Ordnance test of M72 Law, Rocket HE 66mm. Open flat field. Test range. View of target tank. Impact of rockets as they hit target tank. Smoke rises up from explosions. (Vietnam War period).
United States Mobile Riverine Force (9th Infantry Division) in Mekong Delta in Vietnam. LSTs (Landing Ship Tanks) and ATCs (Armored Troop Carriers) tied up alongside the USS Benewah. Several other river crafts tied up alongside it. USO (United Service Organizations) provide recreational services to the U.S. troops. United States sailors and soldiers sit and watch the performances of the USO group 'The Mustache and Us'. The group performs on the flight deck of an ATC. (Vietnam War period).