Naval Support Activity Danang

Naval Support Activity Danang
Name	Naval Support Activity Danang
Location	Da Nang, South Vietnam
Type	Naval base
Controlledby	United States Navy
Used	1965–1973

Naval Support Activity Danang was a major United States Navy logistics and operations complex located adjacent to Da Nang in South Vietnam during the Vietnam War. It served as a hub for Pacific Fleet and United States Seventh Fleet operations, supporting amphibious, carrier, and riverine activities linked to campaigns like Operation Starlite and Operation Market Time. The installation interfaced with allied forces including the Republic of Vietnam Navy and multinational units from Australia and South Korea.

History

The site was established amid escalating American involvement following the Gulf of Tonkin Incident and the passage of the Gulf of Tonkin Resolution. Initial expansion accelerated after the commitment of Marine Corps forces to Da Nang Air Base and the buildup associated with the Tonkin Gulf deployments. Throughout the late 1960s the complex grew in response to operations such as Operation Rolling Thunder and theater-level logistics demands created by carrier task forces operating from Yokosuka and Subic Bay. Political events including the Tet Offensive and the Paris Peace Accords influenced force posture and eventual drawdown. Closure and turnover to South Vietnam entities followed the implementation of Vietnamization policies and the Case–Church Amendment constraints on U.S. military presence.

Facilities and Infrastructure

The installation incorporated piers, wharves, repair yards, fuel storage, and ammunition handling facilities patterned after bases like Subic Bay Naval Base and Guantanamo Bay Naval Base. It hosted floating drydocks similar to those used at Apra Harbor and maintenance shops akin to Pearl Harbor Naval Shipyard capabilities. Aviation support functions paralleled operations at Da Nang Air Base with logistics coordination for A-4 Skyhawk, F-4 Phantom II, and CH-46 Sea Knight aircraft. Security elements reflected practices from Naval Station Norfolk and integrated with local harbor control modeled after Port of Saigon management. Utilities included bulk petroleum storage standards comparable to Defense Logistics Agency depots and ordnance storage following Naval Sea Systems Command protocols.

Role in the Vietnam War

The complex served as a staging area for amphibious assaults, a base for coastal surveillance, and a logistics node supporting carriers such as USS Enterprise (CVN-65) and USS Coral Sea (CV-43). It supported riverine units involved in Operation Game Warden and coastal patrols under Operation Market Time, facilitating interdiction of logistics for the Viet Cong and People's Army of Vietnam. Coordination occurred with commands including Military Assistance Command, Vietnam and naval task groups like Task Force 77. The facility enabled sustainment of combat operations during major campaigns including post-Tet Offensive counteroffensives and supported evacuation planning comparable to Operation Frequent Wind contingencies.

Operations and Units Assigned

Units and detachments rotated through the installation, including elements from the United States Seventh Fleet, Naval Mobile Construction Battalion (Seabees), Explosive Ordnance Disposal teams, and Task Force 116 units. Logistics commands paralleled Fleet Logistics Support organizations, while security included United States Marine Corps security detachments and Seabee construction battalions like NMCB 1. Support squadrons for carrier air wings staged through nearby air facilities, and medical units comparable to Naval Hospital detachments provided casualty care. Allied naval units such as the Royal Australian Navy and Republic of Korea Navy liaised for combined missions.

Logistics and Support Activities

The base performed fuel distribution, ammunition handling, ship repair, and supply chain functions aligned with Naval Supply Systems Command procedures. It functioned as a node connecting sea lines of communication from Subic Bay and Yokosuka to forward areas, employing standards similar to Military Sealift Command operations. Warehousing followed practices from Defense Logistics Agency inventory systems, and ordnance services observed Naval Ordnance Safety protocols. The facility supported underway replenishment tasking associated with Replenishment at sea operations and provided staging for amphibious shipping organized by Naval Amphibious Force elements.

Incidents and Attacks

As a high-value target, the installation experienced mortar attacks, rocket strikes, and sapper raids comparable to assaults on Chu Lai and Cam Ranh Bay. Notable attacks coincided with large-scale offensives such as the Tet Offensive when nearby installations including Da Nang Air Base were struck. Security incidents required collaboration with Provincial Reconnaissance Unit elements and countering efforts like Search and Destroy operations supported by naval gunfire from destroyers such as USS Hanson (DD-832). Accidents involving ordnance and fuel storage prompted safety reviews reminiscent of incidents at other wartime bases like Bien Hoa Air Base.

Legacy and Closure

Following the Paris Peace Accords and phased U.S. withdrawals, turnover processes mirrored those at Cam Ranh Bay and culminated in transfer of facilities to South Vietnam authorities before the fall of Saigon. The site's infrastructure influenced postwar redevelopment of Da Nang into a commercial port and airport, paralleling transitions seen at former bases like Da Nang International Airport expansion and civilian conversion examples such as Naval Air Station Alameda. Veterans' accounts and archival records preserved by institutions like the Naval History and Heritage Command and memorials akin to the Vietnam Veterans Memorial document the installation's role in Cold War maritime operations.

Category:Military installations of the United States in South Vietnam Category:United States Navy