[2] On 12 February 1968 in response to the Tet Offensive, President Lyndon B. Johnson authorized an increase in U.S. troop strength in South Vietnam and the 27th Marines was one of the units sent.

Between 14 and 21 February, the rest of regimental landing team (RLT) 27 deployed by sea and air from Camp Pendleton to Da Nang.

By 17 February, the 27th Marines headquarters, together with those of battalion landing teams (BLT) 2/27 and 3/27 opened their command posts at Da Nang.

On 21 February, the USS Thomaston departed Naval Base San Diego with the surface elements of the RLT, some 200 personnel and over 5,000 tons of equipment.

[5] While the regiment was preparing for its redeployment to the U.S. in August the VC launched their Phase III offensive and 1st Battalion participated in the defense of Danang Air Base while the 2nd Battalion participated in operations to cut off the retreating VC and People's Army of Vietnam (PAVN) forces.

[3]: 579 A homecoming parade was presented as a Memorial Ceremony downtown San Diego to the lives the regiment had given in South Vietnam.