the Pentagon, United States – Vietnam Relations… (2011)
“ The monopoly of Viet Cong leadership by the infiltrators from the North became evident after 1960. By 1965, they were clearly dominant. For example, while southerners still controlled the Viet Cong of the Mekong Delta, in the provinces just north of Saigon -- Tay Ninh, Binh Duong, Binh Hoa, and Phuoc Tuy especially -- regroupees and northerners had assumed most of the principal cow_mand positions. A document captured in January 1966 listed 47 VC officials attending a top-level party meeting for that region, of whom 30 had infiltrated from 1961 through 1965. ”
