1945-1950

Norris was decommissioned on 4 December 1970, and struck from the Navy List on 1 February 1974. Transferred to Turkey on 1 July 1974, where the ship was renamed TCG Kocatepe . Kocatepe was sold as scrap to Hurdasan Anonim Sirketi in June 1994.

Intensified operations in Vietnam  called her with other ships of Destroyer Squadron 20 and they left Newport on 4 October for Panama  and Yokosuka, arriving on 10 November. As they had in Korea, her guns supported troops ashore, first driving back Viet Cong  attempting to overrun Vũng Tàu  on 21 November. After four months on the gunline giving major service in the struggle to keep South Vietnam  free, Norris  completed a circumnavigation  by returning via Suez to Newport, arriving on 25 April 1967.

Following east coast and Caribbean operations, Norris  returned to the Mediterranean on 29 April 1968 for duty through the summer months. Returning to Newport in the fall, she deployed again from 9 May through December 1969. Into 1970 she continued on rotation between the 2nd Fleet  and 6th Fleet.

1964–1966: Polaris and Gemini X Deployed again to the Mediterranean from 1 October 1964 to 18 January 1965 and 19 August–7 December 1965, Norris served in Polaris support operations as a missile tracking ship from 1 to 15 April 1966, and in the primary recovery force for Gemini X from 12 to 23 July.

1958–1966: Evaluation, training, Cuba, and the Mediterranean Norris next served in Task Force Bravo, an experimental anti-submarine development group, until her next 6th Fleet duty from June–August 1960. After a FRAM II conversion at Philadelphia from March to December 1961, Norris had over a year of intensive Atlantic Fleet training operations, including a midshipman training cruise. She was reclassified a general purpose destroyer (DD-859) on 7 August 1962 and in October took station off Cuba during the quarantine provoked by the missile crisis . With the return of quiet, she was back in Newport in December to prepare for another Mediterranean deployment, which took place from 6 February–7 July 1963. In August, an experimental wire-guided torpedo system was installed by Boston Naval Shipyard , and Norris spent much of the next year testing and evaluating the new system.

1955–1957: Gibraltar, North Atlantic, and South America From 2 May to 4 June 1955 she escorted replacements for the 6th Fleet to Gibraltar, then returned to anti-submarine evaluation and training in the western Atlantic and Caribbean, broken by a three-week patrol in the North Atlantic during the November 1956 Suez crisis . With Destroyer Squadron 24 she made an extended training cruise to South America from early January to late March 1957, visiting ports in Brazil , Argentina , and Uruguay between antisubmarine exercises with various Latin American navies. She returned to the Mediterranean from August to December 1957, also serving in the Red Sea during this deployment

Mid 1952–1954: NATO exercise, Mediterranean cruises, collision Peacekeeping duty with the United States Sixth Fleet continued until 27 June, when she returned to Newport to prepare for “ Operation Main Brace “, a major NATO exercise in the North Sea that took place from 26 August to 12 October. Mediterranean cruises from April 1952–February 1953 and January 1954–May 1954 followed, and from 28 June 1954 she operated primarily with the Hunter-Killer Force of the Atlantic Fleet for the next 15 months. During a fleet exercise on 1 November, she collided with USS Bergall (SS-320) when the submarine was attempting to fire torpedoes at the surface attack force.

Late 1950–mid 1952: Korean War service Joining in blockade, patrol, fire support, and screening duties, Norris gave gunfire support during the Hŭngnam evacuation in early December 1950, and while on blockade rescued 21 South Koreans from a drifting junk off North Korea . Returning to Newport early in March 1951, Norris overhauled at Boston and trained in the North Atlantic and Caribbean until sailing on 19 April 1952 for her deferred first Mediterranean deployment.