The 196th Light Infantry Brigade initiated Operation Attleboro on September 14, 1966 in the Tay Ninh Province, however no significant contact was made with North Vietnamese Army (NVA) or Viet Cong (VC) forces until October 19, 1966 when a sizable NVA base area was discovered [REF].
The most significant fighting occurred when Viet Cong forces assaulted the US perimeter at Suoi Da on November 8.