5729 ii - MAP - Phu Quoc Island - Duong Dong - Gulf of Thailand - Vietnam War
Duong Dong - Phu Quoc Island - Vietnam War Map. Duong Dong - Phu Quoc Island. The intensity of operations in the region continued until the early 1970s. The U.S. established military bases at Duong Dong and Cay Dua in the mid 1960s.