Gulf of Tonkin incident
The base became the service station and supermarket for the U.S. Seventh Fleet after the Gulf of Tonkin incident in 1964. From an average of 98 ship visits a month in 1964, the average shot up to 215 by 1967, with about 30 ships in port on any given day. A new record was set in October 1968 with 47 ships in port.