1-3 August 1967
Location: Barrier Island, Song Thu Bon, Song Ly Ly, Truong Giang, Route 1, Quang Nam and Quang Tin Provinces. Type: search and destroy. Controlling headquarters: 1st Marines Task organization: 1/1 Marines, 3/5 Marines. Execution: Operation PIKE swept Barrier Island south of Hoi An between the coast and the Ly Ly River with significant contact. Results: 100 enemy killed, 4 captured, 54 detained, 8 US KIA, 60 US WIA.