During the Vietnam War, U.S. Army Special Forces A-Teams were deployed to isolated outposts or ""camps"" in the remote areas of South Vietnam. Their job was to recruit, train, and house members of the indigenous population while molding them into combat-ready fighting units. A-Teams consisted of up to 12 Green Beret soldiers who were experts in both combat and their individual military specialties. The role of the indigenous units, in conjunction with their American advisors, was to provide border security, counter the Viet Cong insurgency in the countryside, provide intelligence on enemy troo