 The 2nd Battalion was moving past Hill 238 and advancing on Hill 284, which had been vacated by the 3rd Battalion under strong PAVN pressure.The 3rd Battalion had withdrawn to the hill at Nui Duong Coi (), above a lake between it and Duc Duc Subsector, where the 1st Battalion was in reserve.The 1st Battalion, 56th Infantry, attached to the 2nd Infantry, was protecting the regiment's right flank west of the Sông Thu Bồn.