Key Facts
- Date
- Late July 1967
- U.S. battalions deployed
- 3
- ARVN battalions deployed
- 2
- VC battalions encountered
- 2
- Operation series position
- 2nd of 11 in Operation Coronado series
Strategic Narrative Overview
Three U.S. battalions and two ARVN battalions, supported by helicopters and watercraft, swept the area and waterways around Mỹ Tho in late July 1967. Allied forces encountered two Viet Cong battalions, engaging them in combat and capturing a number of fighters. Simultaneously, a cordon was established to search water traffic for VC supplies and suspects, seeking to cut off logistical support to guerrilla units operating in the delta.
01 / The Origins
By mid-1967, the Viet Cong had established durable strongholds throughout the Mekong Delta, exploiting its dense waterways to move supplies and personnel largely unchallenged. The U.S. Mobile Riverine Force was developed specifically to contest this environment, combining riverine assault craft with Army infantry. Operation Coronado II was the second iteration of a broader series intended to systematically disrupt and destroy these VC networks in the delta region surrounding Mỹ Tho.
03 / The Outcome
The operation resulted in casualties on both sides and the capture of multiple VC personnel. Allied commanders credited the South Vietnamese 3rd Marine Battalion as a key contributor to the operation's success. No significant territorial change resulted, but the operation disrupted VC activity in the Mỹ Tho area and demonstrated the effectiveness of combined U.S.-ARVN riverine tactics as part of the broader Coronado series.
Belligerents & Mobilization Analysis
Side A
2 belligerents
Side B
1 belligerent