Hovering US Army helicopters pour machine-gun fire into the tree line to cover the advance of South Vietnamese ground troops as they attack a Vietcong camp 18 miles north of Tay Ninh, near the Cambodian border, in March 1965 Photograph: Horst Faas/AP
A Vietnamese litter bearer wears a face mask to keep out the smell as he passes the bodies of U. and Vietnamese soldiers killed in fighting against the Viet Cong at the Michelin rubber plantation, about 45 miles northeast of Saigon, on November
Injured Vietnamese receive aid as they lie on the street after a bomb explosion outside the U. Embassy in Saigon, Vietnam, March Smoke rises from wreckage in background . At least two Americans and several Vietnamese were killed in the bombing.
January The sun breaks through dense jungle foliage around the embattled town of Binh Gia as South Vietnamese troops, joined by US advisers, rest after a cold, damp and tense night of waiting in an ambush position for a Viet Cong attack that didn't come
Exhausted South Vietnamese soldiers sleep on a US Navy troop carrier taking them back to the provincial capital of Ca Mau, August The infantry unit had been on a four-day operation against the Viet Cong in swamplands at the southern tip of the country