[1]: 321 In preparation for the operation 219 attack aircraft and 30 B-52 sorties were flown against the intended landing zones while Marine artillery fired over 10,000 rounds.

[1]: 322 On 5 June Company C 1/1 Marines encountered a PAVN bunker system 4 km south of Route 9, the battle continued until the following afternoon.

Due to the steady pressure on Loon it was decided to evacuate the landing zone and during the afternoon the 1/4 Marines were extracted by helicopter.

[1]: 322 On 6 June the 3rd Battalion, 9th Marines conducted a helicopter assault into a landing zone southeast of Robin and near the eastern end of the PAVN supply road.

The Marines found that the road was well constructed, up to 18 ft wide with numerous culverts and the trees overhead tied together to reduce aerial observation.

[1]: 322–3 On 11 June the 3rd Battalion, 4th Marines helicopter assaulted into Lang Hole, a Montagnard village south of Landing Zone Loon, where PAVN prisoners indicated a major supply area was located.

[1]: 324 The Marines would penetrate into the Vietnam Salient again during Operation Maine Crag from 15 March to 2 May 1969 reopening Landing Zone Torch.