[1]: 7 On 22 July Company B 1/11th while sweeping an area where artillery had fired the previous day found the body of one Vietcong (VC).
On 31 July Company A, 1/11th sighted movement on the abandoned Firebase Henderson and directed mortar fire onto the location.
The area was swept revealing two PAVN killed identified as members of the 39th Reconnaissance Company, 304th Division, one AK-47, and a pistol belt.
On 10 August at 03:25 Company C, 1/11th received Rocket-propelled grenade (RPG) fire followed by a ground attack from an estimated platoon size enemy force.
During the period from 9 to 15 August Firebase Holcomb received a total of 33 82mm mortar rounds resulting in two U.S. WIA and a bunker damaged.
On 16 August Company B, 1/11th made contact with an unknown size enemy force, receiving small-arms and RPG fire.
On 18 August a mechanical ambush set by Company B, 1/11th detonated and the area was immediately engaged with small-arms fire.
Claymore mines were detonated to cover the company's front, at which time approximately 15 PAVN/VC were observed south and they were engaged with small-arms fire.
On 25 August Company D, 1/11th made contact with an estimated 18 PAVN/VC and engaged them with small-arms and mortar fire, and helicopter gunships were called on station.
[1]: 10–11 On 12 September an aerial assault by 2nd Platoon, Company C, 1/11th south of the Thạch Hãn River found an abandoned base area comprising numerous huts and bunkers.
On 10 October 1st Platoon, Company C, 1/11th on a Sparrow Hawk mission was inserted to search an area in response to a sighting by Ranger Team 11.
On 15 October a trip flare set by Recon Team 2 detonated, the area was engaged with a Claymore mine and M79 fire.
On 21 October 1st Platoon, Company B, 1/11th found a base area comprising seven bunkers and assorted huts and one old PPS-43 submachine gun.
On the morning of 8 November a member of Recon Team 1 detonated what was believed to have been a 155mm artillery round buried in a trail resulting in one U.S. killed and one wounded.
[1]: 13–14 On 3 December while Recon Teams 5 and 6 were en route to an ambush site, a Kit Carson Scout saw five or six PAVN 200 meters southwest of their position.
A sweep of the entire area at first light revealed found three VC dead, three AK-47s and assorted munitions and equipment.
On 12 December Recon Company Sniper Team 2 reported movement and directed artillery fire on the location, a sweep of the area found a PAVN first aid packet and expended AK-47 cartridges.
On 25 December Company C, 1/11th sighted three personnel moving off a hill, and while continuing observation, they received a burst of AK-47 fire which resulted in one U.S. wounded.
The unit pursued and Troop C, 3rd Squadron, 17th Cavalry Regiment helicopter gunships were called to suppress the area.
When the personnel came too close the listening post detonated its defensive Claymore mines and employed fragmentation grenades.
Troop C, 3/17th Cavalry gunships were called on station and counter battery mortar fire was employed on suspected mortar-firing location.
Later that day 3rd Platoon, Company B, 1/11th discovered four bunkers showing signs of recent activity together with heavily used trails.
On 5 January a Kit Carson Scout attached to 3rd Platoon, Company B, 1/11th observed five personnel carrying AK-47s, however civilians in the area prevented the employment of artillery.