It is located at an inlet of the South China Sea situated on the southeastern coast of Vietnam, between Phan Rang and Nha Trang, approximately 290 kilometers (180 miles) northeast of Ho Chi Minh City (formerly Saigon).
[1] The continental shelf of Southeast Asia is relatively narrow at Cam Ranh Bay, bringing deep water close to land.
This preparatory work proved fortuitous when a North Vietnamese trawler was discovered landing munitions and supplies at nearby Vũng Rô Bay in February 1965; the incident led the United States to develop Cam Ranh as a major base.
[5] The United States Navy flew various aircraft from Cam Ranh and other bases, conducting aerial surveillance of South Vietnam's coastal waters.
Commander in Chief, Pacific (CINCPAC) foresaw that pier facilities at the natural deep-water bay at Cam Ranh might be useful in the future.
Once the roads were in place to carry heavy equipment, the engineers lengthened the existing pier to 600 feet (180 m) to provide an additional berth for deep-water freighters.
[7]: 277 Later in 1966, RMK-BRJ filled in swamp land with sand at the southern end of the peninsula and constructed a naval base for Operation Market Time coastal patrols.
[7]: 277, 353 During the Vietnam War, the U.S. Army maintained the 6th Convalescent Center (6th CC) at Cam Ranh Bay enabling most wounded soldiers to be treated in country.
In the beginning the shore facilities at Cam Ranh Bay were extremely limited, requiring interim measures to support assigned naval forces.
While the concentration at Cam Ranh Bay of Market Time headquarters and forces during the summer of 1967, the demand for base support became extraordinary.
A greater allocation of resources and support forces to the shore installation resulted in an improved ability to cope with the buildup of combat units.
In time, the Cam Ranh Bay facility accomplished major vessel repair and dispensed a greater variety of supply items to the anti-infiltration task force.
Seabee Maintenance unit 302 provided public works assistance to the many dispersed Naval Support Activity, Saigon detachments.
Forward North Vietnamese forces fired on American vessels in Da Nang harbor and sent sappers ahead to destroy port facilities, and refugees sought to board any boat or craft afloat.
Initially, Cam Ranh Bay was chosen as the safe haven for these South Vietnamese troops and civilians transported by boat from Da Nang.
Between 1 and 3 April, many of the refugees just landed at Cam Ranh reembarked for further passage south and west to Phú Quốc Island in the Gulf of Siam, and ARVN forces pulled out of the facility.
Four years after the fall of Saigon and the unification of North and South Vietnam, Cam Ranh Bay became an important Cold War naval base for the Soviet Pacific Fleet.
[17] However, as early as 1988, then-Soviet foreign minister Eduard Shevardnadze had discussed the possibility of a withdrawal from Cam Ranh Bay, and concrete naval reductions were realised by 1990.
[20] On 17 October that year, the Russian government announced that it would withdraw from Cam Ranh Bay completely before its rent-free lease was to expire in 2004.
Therefore, it has been an important centre of marine traffic covering the economic zone of south Khanh Hoa and neighbouring provinces for a long time.