11-22 February 1967
Location: Thuy Bo, Go Noi Island, Quang Nam Province. Type: search and destroy. Controlling headquarters: 1st Marines. Task organization: 1/1 Marines, 2/1 Marines (10-12 Feb), 1/26 Marines (10-12 Feb). Intelligence: R20 PLAF MF Bn. Execution: Operation took place on Go Noi Island west of Hoi An. On 19 Feb, 1/1 Marines managed to establish a cordon around the R20 Battalion, killing 68 and capturing 25. Results: 291 enemy killed, 74 detained, 9 US KIA, 76 US WIA.