underway again 30 November 1954 for the Pacific, arriving San Diego 15 December and departing 4 January 1955. She rejoined the 7th Fleet in time to take part in the evacuation of the Tachen Islands, which threatened to bring war between Chinese Nationalists and Communists. After fleet maneuvers, the ship spent March and April at Formosa helping to train Nationalist sailors. Ingersoll returned to San Diego on 19 June 1955. The destroyer returned to 7th Fleet duty January to April 1956; and, after her return to San Diego 26 April, engaged in training operations until August. From 27 August to 8 December, Ingersoll underwent a yard period in San Francisco in which a new underwater fire control system was installed. After additional evaluation and antisubmarine training, the ship sailed again on 16 April 1957 for the western Pacific. On this cruise, Ingersoll stopped at Melbourne, Australia, and the Fiji Islands, participating in fleet exercises off Guam and the Philippines. In August, the destroyer steamed to Taiwan for the Formosa Patrol, helping to maintain peace and stability in those waters. After carrier exercises she sailed for home, arriving San Diego on 14 October 1957.Ingersoll returned to the Far East with the 7th Fleet 25 June to 18 December 1958; and, in the early part of 1959, took part in type training and readiness operations off California. The ship sailed westward once more on 15 August 1959 and operated with a submarine hunter-killer group during most of her deployment. She returned to San Diego on 1 February 1960. The destroyer got underway with a hunter-killer group for the Far East on 1 October 1960, and after spending October and November training in Hawaiian waters steamed to the South China Sea to support American efforts to stabilize the threatened Kingdom of Laos. In December, she screened transports during the landing of a battalion landing team in Laos to enforce the Geneva solution. She remained off Laos until April, returning to her home port 2 May 1961.Ingersoll spent the remainder of 1961 on the West Coast, then sailed 6 January 1962 for duty with the 7th Fleet that included operations with the carrier off South Vietnam. She also patrolled Taiwan Straits in response to the reports of Communist troops on the mainland opposite the Nationalist island. She returned to San Diego 18 July 1962 for western seaboard operations until October 1962 when the Cuban