At 16:30 a unit of the 3rd Brigade, 9th Infantry Division sweeping an area southeast of Bến Lức engaged an enemy force. Contact was lost at 17:35 with 13 PAVN/VC killed. On 15 May at 07:00 a unit of the 3rd Brigade, 9th Infantry Division sweeping an area southeast of Bến Lức engaged an enemy force killing 13 and capturing six individual weapons. At 09:50 a unit of the 11th ACR engaged an enemy force southeast of Dầu Tiếng, the engagement continued until 12:15 resulting in 12 PAVN/VC killed and one RPG launcher captured. At 15:10 a base occupied by the 1st Brigade, 25th Infantry Division east of the Cambodian border received mortar fire, artillery fire was directed onto the firing position and a sweep of the area found 11 PAVN dead. An AH-1 was shot down southeast of Tây Ninh killing one crewman. At 15:30 an OH-6 was shot down southwest of An Lộc killing one crewman. On 16 May at 09:50 a unit of the 1st Brigade, 1st Infantry Division patrolling southeast of Dầu Tiếng found the bodies of nine PAVN, three AK-47s and an 82mm mortar. At 09:55 a unit of the 3rd Brigade, 25th Infantry division sweeping an area southeast of Phú Cường found 20 bunkers containing 10 enemy bodies killed by airstrikes in the preceding days. At 10:30 armored cavalry of the 25th Infantry Division patrolling northeast of Trảng Bàng found a 9 ton rice cache. At 13:20 units of the 3rd Brigade, 82nd Airborne Division operating southwest of Bến Cát engaged a PAVN force killing 38 and capturing 14 individual and four crew-served weapons. On 17 May at 21:15 a unit of the 1st Brigade, 1st Cavalry Division engaged an enemy unit north of Tây Ninh killing seven and capturing two and three 107mm rockets. On 18 May at 01:00 a unit of the 54th Artillery Group at Xuân Lộc Base Camp was attacked. The unit was supported by helicopter and fixed wing gunships and a unit of the 11th ACR. Fighting continued until 06:00 resulting in 24 PAVN killed and 14 U.S. killed.