On 1 November, 1/5 Marines established a forward command post in the northern Quế Sơn mountains, on 6 November, 2/5 Marines established a forward command post on Hill 381 (Coord), 5-230 4 kilometers south of LZ Rainbow and on 26 November, the 1st Reconnaissance Battalion moved its patrol base to Hill 510 (Coord) in the western Quế Sơn mountains.