 Both the 2nd and 3rd met heavy resistance and proceeded westward slowly, engaging a PAVN force on 28 July and dispersing it with heavy losses.Duc Duc and Đại Lộc were struck on 25 July and again the next day by PAVN rocket and artillery fire, but casualties were light.On 26 July, the Rangers completed their relief of the 2nd Infantry and assumed responsibility for the sector.