Vietnam, which gained its independence at the end of the Indochina War in 1954, was split in two with North Vietnam and South Vietnam. This division created a rivalry between the states at the origin of the Vietnam War, also called the «Second Indochina War»
North of Saigon, the Battle of Hill 875 rages with Vietnamese northern troops, near the American base of Dak To. Commentary on images of American soldiers aboard a helicopter, shots of batteries of guns, soldiers advancing in the forest and corpses of North Vietnamese.
In Vietnam, US mobile river forces are involved in fighting in the Mekong Delta. Commentary on images of hovercraft and helicopters in action in the delta, firing machine gun.
Despite the signing of the Paris Peace Agreements, the war continues in Vietnam. The fighting resumed in the south of the country at the initiative of Vietcong, which is gaining ground. The provincial capital of Phuoc Binh has fallen, as has the radar station of Tay Ninh. Comment on images of Vietnamese soldiers on the front, a village after the Vietcong offensive and villagers in the middle of the rubble.
Operation north of Saigon, in an area held by the Vietcong (supported by the north Vietnamese): arrest of villagers after the cleaning of the area. Commentary on images of bombers and helicopters in flight, President Johnson speaking in his office, Rockets shooting and machine-gunners from a helicopter and Vietcong prisoners.
Offensive of the Tet in northern Vietnam, in Hué and Saigon and its Chinese suburb, Cholon. Fighting rages. Commentary on images of burning dwellings, Vietnamese refugees, soldiers shooting guns from helicopters and taking prisoners, President Lyndon Johnson came to greet soldiers preparing to leave for Vietnam, battles taking place next to the citadel of Hué and Vietnamese victims.
In Vietnam, the American intervention continues to intensify. In addition to the bombings in North Vietnam, the American army engaged in a major operation in the Mekong Delta, in the south of the country (the Battle of Can Tho). Commentary on images of American bombers, ships on mission on the Mekong, soldiers landing on a river bank, a Buddhist demonstration in Saigon and aerial bombing.