Collection of three US archive war documentaries. 'Know Your Enemy: The Viet Cong' examines the combat tactics and movements of the Viet Cong during the war,showing how they held the advantage over the US troops with their knowledge of the jungle and guerrilla warfare. The programme also features rare archive footage of the enemy in action. 'P.O.W: A Report On Captivity in Southeast Asia 1964-1973' considers the plight of the prisoners of war looking at the conditions while in captivity,the camps built to keep prisoners and the courageous escape attempts. 'Contact' looks at the weapons,ambushes,traps and tactics used by the Viet Cong thus demonstrating the reasons behind their formidable reputation.