The 13th Marine Regiment was activated on 3 July 1918 as an infantry regiment. The Regiment was under the command of Colonel Smedley Buttler. On 1 September 1919, the regiment was deactivated.

On 11 December 1943, the regiment was reactivated and redesignated an artillery regiment. The 13th Marines played an important role in securing Iwo Jima. 6 February 1946, the regiment was again deactivated.

In May 1966, 1st Battalion was reactivated and departed to Vietnam with RLT 26. June - October 1966, the Regimental Headquarters, 2nd Battalion, and 4th Battalion were reactivated and commenced an extensive training program. In January 1967, the 3rd Battalion was reactivate.
2nd and 4th Battalion were deployed to Vietnam in early 1967 along the DMZ. At the turn of the New Year, 1968, Kilo 4/13 was located at C2 between Cam Lo and Con Thien. The Battery stayed in this fire base until August 1968. At that time the Battery was deployed to Phu Bai via LST’s up the perfume river to Hue. Kilo 4/13 stayed in the Phu Bai area supporting both Marine units and the 101st during operation Nevada Eagle. In November 1968 the unit moved to An Hoa via Da Nang. While in An Hoa the Battalion drove into the Antenna Valley and shot support for operation Taylor Common. The Unit was then moved to Hill 10, LZ Ross, before being deactivated on 15 October 1970.


The Regiment remains deactivated to this day.

During World War II, the 4th Battalion 13th Marines were part of the order of battle that took the island of Iwo Jima.

During the Viet Nam war the 4th Battalion 13th Marines participated in the following operations:

1967

1968

    20 January:        Kentucky, The Battle for Dong Ha   

    15 April:            High Rise, Scotland, Napoleon / Saline, and Lancaster II

    2 July:               Thor

    26 September:    Nevada Eagle, Houston, Lamson

    28 November:    Henderson Hill  

    7 December:      Taylor Common

1969           :      Moved to LV Ross

1970           :      Deactivated Later After Rotating out of Country 1970