The main objective of Texas Star was pacification, rural reconstruction, and development along with offensive operations against the People's Army of Vietnam (PAVN) forces in Quảng Trị and Thừa Thiên Provinces.

Immediately after being inserted, the units received small arms, sniper and mortar fire from elements of the PAVN 803rd Regiment, 324B Division.

At 00:50 on 7 April, Company D, 1/506th Infantry, occupying a night defensive position 30 km southwest of Huế, was attacked by Rocket-propelled grenade (RPG) and small-arms fire.

On 15 April 506th Infantry elements operating approximately 27 km southwest of Huế found 20 PAVN killed by artillery fire.

On 28 April at 05:00 Company B, 502nd Infantry Regiment, operating 37 km southwest of Phu Bai, received an attack preceded by small arms and grenade fire.

After the contact while conducting a sweep, the unit discovered 75 bunkers and 50 PAVN killed three days prior by airstrikes and artillery.

On 3 May at 11:30 27 km southwest of Huế the ARVN 2nd Battalion, 54th Regiment received small arms fire and RPGs while on a search operation.

On 23 May at 10:00 the 1/506th Infantry received an attack-by-fire of 26 mortar rounds on its command post 24 km southwest of Huế killing three U.S.. On 27 May a reconnaissance platoon from the battalion ambushed an enemy force.

[4]: E-23 From 17 to 25 June a combined U.S./ARVN operation near Firebase Robin (16°34′44″N 106°47′10″E / 16.579°N 106.786°E / 16.579; 106.786) resulted in 70 PAVN killed and 2 captured and a field hospital destroyed.