The Battle of Ap Bac was a major battle fought on January 3, 1963, during the Vietnam War. It was fought in Dinh Tuong Province (now part of Tiền Giang Province), South Vietnam. On December 28, 1962, U.S. intelligence detected the presence of a radio transmitter along with a sizable force of National Front for the Liberation of South Vietnam (FNL/Viet Cong) soldiers, reported to number around 120 in the hamlet of Ap Tan Thoi in Dinh Tuong Province, home of the ARVN 7th Infantry Division. To destroy the FNL, the South Vietnamese and their American advisers planned to attack Ap Tan Thoi from three directions by using two provincial Civil Guard battalions and elements of the 11th Infantry Regiment, ARVN 7th Infantry Division. The infantry units would be supported by artillery, M-113 armored p