Sơn Trà sat about eight kilometers southeast of Chu Lai Base Area, in the coastal flatlands of Bình Sơn District. It was not an isolated hamlet — by 1968 it had absorbed many refugees displaced by the fighting elsewhere in Quảng Ngãi Province, swelling its population and straining its resources. Like many villages in the war zone, it existed in a contested space, subject to pressure from both sides. The Viet Cong's demands for manpower and material support were a constant presence. The villagers refused. Their refusal was not passive: they had accepted the protection of a Combined Action Platoon — fourteen U.S. Marines living and working with the community — along with thirty South Vietnamese Popular Force troops, a small People's Self-Defense unit, and roughly thirty-five Civil Operations and Revolutionary Development Support workers who had come to help rebuild the community's infrastructure.

The attack began at 11:10 in the evening with a mortar barrage. Families woke to explosions and rushed into the defensive bunkers that many Vietnamese rural households kept dug beneath or beside their homes — shelters built precisely for moments like this. Then came the assault force: between 75 and 300 Viet Cong fighters moved through the darkened village, throwing satchel charges into those bunkers. The people sheltering inside — families, children, the elderly — were killed in the spaces where they had sought safety. Others, awakening to the sounds of explosions and fire, fled toward the CAP position where the Marines were stationed. But the press of fleeing civilians blocked the defenders from moving against the attackers. Soldiers from the U.S. Army's 198th Light Infantry Brigade arrived by helicopter at the Marine position within thirty minutes of the attack. They waited until daylight to move into the village.

When dawn came and the soldiers moved through Sơn Trà, the scale of the destruction was clear. Seventy-three civilians had been killed — fishermen, farmers, mothers, children, the elderly who could not run fast enough, people sheltering in bunkers that became their graves. Fifteen of the CORDS workers were also dead. Another 103 civilians had been wounded. The fires that the attackers started consumed 570 homes. Nearly 2,800 people — most of the village's population — lost everything they owned, adding to the already enormous population of the displaced in Quảng Ngãi Province. The four Viet Cong fighters the defenders reported killing offered no proportionality to what had been done to the village.

The Sơn Trà massacre did not become as widely known in the West as other atrocities of the Vietnam War. It generated a Congressional record and was documented in MACV's Monthly Summary for June 1968, but it received no sustained international attention. The people of Sơn Trà, however, carried what happened. The fishing families who survived rebuilt — this coast is where their families had always lived — but nearly 2,800 of them had to start again with nothing. War in Vietnam produced suffering on every side, but the deliberate targeting of civilians who had explicitly refused to cooperate with an armed force stands as a specific and terrible act. The people of Sơn Trà deserved better from the war that consumed their village. They deserved to have their story remembered.