On 7 February 1955 Redpoll was redesignated MSCO-57. In October 1957 she was ordered to Chattanooga, Tennessee for reserve training duty. She arrived at her new homeport 2 November and 6 days later, 8 November, was again decommissioned and placed in service.The term "in service" with regard to U.S. Naval vessels is applied to periods of non-commissioned status. The ship is not U.S.S. during those periods as that only applies for commissioned ships. A little over years later she completed her last tour. She was placed out of service and struck from the Navy list 1 July 1959.
