Key Facts
- Dates
- June 2–5, 1966
- Village population
- 9,000 inhabitants
- Distance from Saigon
- ~40 km north
- Viet Cong support lost
- ~50% in the village
- VC political recovery time
- ~2 months
Strategic Narrative Overview
On the night of June 1, 1966, elements of the US 1st Division and South Vietnamese 5th Division surrounded Tân Phước Khánh by foot and helicopter. The following morning they entered the village, screened inhabitants, and briefly detained adult males for questioning, arresting Viet Cong members and military deserters. Concurrently, military bands performed, cultural troupes staged plays, children's games and lotteries were held, and medical personnel provided health checks and medicines to the 9,000 villagers.
01 / The Origins
During the Vietnam War, US and South Vietnamese forces sought to counter Viet Cong influence in rural III Corps villages near Saigon. In Tân Phước Khánh, communist guerrillas maintained significant local support, undermining government authority. To address this, commanders devised a combined civil-military operation to screen the population for insurgents while simultaneously using a village fair to build goodwill and demonstrate the benefits of aligning with the South Vietnamese government.
03 / The Outcome
Deemed highly successful, the operation was extended by a third day. Villagers subsequently provided intelligence leading to further communist arrests, and several Viet Cong defected, revealing weapons caches and documents. Viet Cong sources later acknowledged losing half their local support, requiring two months to recover politically. Operation Lam Son II was subsequently replicated across other villages in the area as a model for combined hearts-and-minds and population-screening efforts.
Belligerents & Mobilization Analysis
Side A
2 belligerents
Lý Tòng Bá (Province Chief, Lt. Col.).
Side B
1 belligerent