1959 Biên Hòa compound raid
On 8 July 1959, six Viet Cong guerrillas attacked a Military Assistance Advisory Group compound in Biên Hòa, a town about northeast of Saigon. Major Dale R. Buis and Master Sergeant Chester M. Ovnand would be among the first Americans killed in the Vietnam War. Two South Vietnamese guards were killed by the guerrillas. After the incident, MAAG personnel began carrying weapons.