 She paid off for an extended refit in March 1958, during which her hull was strengthened as a result of operating experience of ships of the class in heavy seas.In September 1960, "Keppel" returned to the Portland Training Squadron, and from June 1963 to April 1964 served with the Fishery Protection Squadron.In February 1973, "Keppel" was reduced to reserve, joining the Standby Squadron at Chatham.