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Operational Archives Branch
Naval Historical Center
805 Kidder Breese Street SE
Washington Navy Yard, DC 20374-5060

Records of Coastal Division 12,

Historical Note

Costal Division Twelve was originally PCF Division 102. Its primary mission was to interdict ships from North Vietnam and prevent supply offloading in South Vietnam, with the secondary mission of providing gunfire support for ground troops.

PCF Division 102 deployed from Coronado, California, in December 1965 to Subic Bay, Philippines. Then it established a base of operations in DaNang, Vietnam, on 13 January 1966. Soon after, PCF Division 102 participated in Operation Market Time and was part of Task Group 115.1. It patrolled areas, between the DMZ and the southern I Corps boundary, using Swift Boats. On 1 January 1967, PCF Division 102 changed its name to Costal Division Twelve.

In 1967, Costal Division Twelve participated in these operations listed below:

 In addition, Costal Division Twelve formed Costal Division Sixteen, which lasted from 20 June 1967 to 1 November 1967. The Division continued its participation in Operation Market Time through 1968.

The Division's last complete year of operations was 1969. During this year, it trained the Vietnamese for the eventual turnover of Costal Division Twelve to the South Vietnamese Navy. On 1 March 1970, Costal Division Twelve was to be primarily manned and controlled by the South Vietnamese. In the interim, it participated in several operations:


Scope and Content Note

This collection is composed of post patrol reports and spot reports. Post patrol reports told of actions taken on individual patrols while spot reports summarized the division's actions on a particular day. In addition, post patrol reports were given to the division while spot reports were sent to the task group.

The collection is arranged in two series. Series I contains post patrol reports. It is arranged first by area patrolled and then by chronological order. Series II contains spot reports. It is arranged only by chronological order.

Preferred Citation

Records of Coastal Division 12, Operational Archives Branch, Naval Historical Center, Washington, D.C.


Subject Headings (LCSH)

United States. Navy. Coastal Division, 12th.
United States. Navy--Small boat service.
Vietnam Conflict, 1961-1975.
United States. Navy--History--Sources.


4.0 cubic feet

24 September 2002