In late January, the Division conducted a successful six-day foray into contested ground in Duy Xuyen and Quế Sơn Districts of Quang Nam, again causing high casualties. In the week after Tet PAVN attacks increased markedly in Duc Duc and Dai Lac Districts of Quang Nam, and the ARVN responded with heavy artillery concentrations and air strikes. All indicators in forward areas pointed to a major offensive as the PAVN 304th and 2nd Divisions, opposing the Division and the 3rd Airborne Brigade, conducted reconnaissance and moved ammunition and artillery forward.[1]: 139