"George" sailed on her next WestPac cruise on 4 October 1955. She operated out of Guam for more than two months, and conducted surveillances of the Carolines, Marianas, Bonin, and Volcano Islands before reaching Yokosuka, Japan, in January 1956. She participated in convoy, anti-submarine warfare, and gunnery exercises until 10 March when she sailed for the West Coast, arriving at San Diego on 31 March. Subsequently, she resumed operations out of San Diego, highlighted by an October 1956 cruise to British Columbia. On 3 January 1957, she again sailed to join the Seventh Fleet. After steaming to New Zealand and Japan, she served as station ship at Hong Kong; participated in Southeast Asia Treaty Organisation maneuvers off the Philippines; and operated from Guam on island surveillance patrols in the Marianas. Departing Guam on 10 June, she returned to San Diego on 7 July. In September 1957, "George" was assigned to duty as a reserve training ship operating from San Francisco. She decommissioned at San Francisco on 8 October 1958, and entered the Pacific Reserve Fleet at Stockton, California.