At 11:00 the aerorifle troops engaged an enemy force killing 21 PAVN/VC and capturing one and five individual and one crew-served weapons U.S. On 19 February at 07:45 helicopter gunships of the 1st Squadron, 9th Cavalry Regiment, 1st Cavalry Division engaged 12 enemy soldiers 22 miles (35 km) northwest of Xuân Lộc, aerorifle troops were landed and found 15 bodies in the strike area. At 18:15 a reconnaissance unit from the 3rd Brigade, 9th Infantry Division operating 7 miles (11 km) southeast of Tân An found the graves of 11 PAVN/VC. On 18 February at 11:15 a company from the 1st Brigade, 25th Infantry Division patrolling with ARVN Regional Forces (RF) southeast of Phú Cường found a 10 ton weapons and munitions cache. An OH-6 Cayuse light observation helicopter was shot down 14 miles (23 km) northwest of Bến Cát. On 17 February at 00:36 a mechanized infantry unit of the 2nd Brigade, 25th Infantry Division in a night defensive position 7 miles (11 km) southwest of Bến Cát received ground probe which was repelled with unknown enemy losses. The operation was a continuation of Operation Toan Thang II in the same operational area and with largely the same forces. The operation was designed to keep pressure on Vietcong (VC) and People's Army of Vietnam (PAVN) forces in III Corps. Army and Army of the Republic of Vietnam (ARVN) operation conducted between 17 February and 31 October 1969 in the Vietnam War. Operation Toan Thang III ('Complete Victory') was a U.S.

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