 The 1st Battalion was on Ky Vi Mountain (), southeast of Duc Duc base, and the 3rd Battalion was on Hill 284 (), past Khuong Que and at the entrance of Khe Le Valley.The 2nd Battalion was in reserve.The plan called for the 3rd Battalion to continue the attack to Cua Tan Mountain, across the river from Da Trach, and for the 1st Battalion to attack south, first seizing Hill 454 () and then descending into the Khe Le Valley at the village of Ap Ba.