For related articles on logistics and tactics see: * Viet Cong and PAVN logistics and equipment and * Viet Cong and PAVN battle tactics The National Liberation Front, (NLF) in this article, identifies an umbrella of front groups, sympathizers and allies set up by the rulers of North Vietnam to conduct the insurgency in South Vietnam. The NLF also included fully armed formations- regional and local guerrillas, and the People's Liberation Armed Forces (PLAF). The PLAF was the "Main Force" – the Chu Luc or full-time soldiers of the NLF's military wing. Many histories lump both the NLF and the armed formations under the term "Viet Cong" or "VC" in common usage. Both were tightly interwoven and were in turn controlled by the North. Others consider the Viet Cong or "VC" to primarily refer