US Combat Troops to Vietnam
The 1st Battalion, 3rd Marines, 3rd Marine Division, were the first Marines to be sent to Vietnam, landing on 8 March 1965 to protect the Da Nang Air Base. On 6 May 1965, the 3rd Marine Division opened the Marine Compound at the Da Nang Air Base, Vietnam. By the end of 1965 the division had all its regiments (3rd Marines, 4th Marines and 9th Marines) on the ground.