This information was taken from the ship's 1964 official history, 1965 official history, 1967 official history (through July 1967), 1968-69 official history (July 1968 to June 1969) and 1969 official history (July to December). Very little information is available for the period from January 1966 through June 1968. However, the ship was awarded the Vietnam Service Medal for ten periods during 1966.

1 January - 6 March 1964 Restricted availability, US Naval Shipyard, Long Beach, California. At the beginning of 1964, the Oklahoma City began preparations for once again assuming the roll of flagship of the Seventh Fleet. January and February were spent in the yards for the physical phase of this preparation.

6 - 8 March 1964 Visit San Francisco, California

9 March - 27 April 1964 Refresher Training, San Diego, California

23 March 1964 The ship operated in a competitive period of Refresher Training.

17 - 19 April 1964 Visit Ensenada, Mexico

24 April 1964 The Oklahoma City fired competitive exercises on the Pacific Missile Range, receiving grades of Outstanding in all fields, and receiving the missile efficiency "E".

27 April - 12 May 1964 Restricted availability, Long Beach, California

12 - l4 May 1964 Special Pacific Missile Range Operations.

16 May 1964 Dependents Cruise off Long Beach, California

17 May - 16 June 1964 Restricted availability Long Beach, California

16 June 1964 The ship fired exercises for the 5-inch mount, receiving a gunnery "E".

16 - 22 June 1964 En route Pearl Harbor.

23 - 26 June 1964 Visit Pearl Harbor. The ship became the temporary flagship for Commander-in-Chief, Pacific Fleet change of command ceremonies, Admiral T .H. Moorer relieving Admiral U.S.G. Sharp. Before leaving Hawaii, the ship fired for another exercise, this time the 6-inch, winning an "E" for the 6-inch turret.

27 June - 6 July 1964 En route Yokosuka, Japan.

7 - 14 July 1964 The Oklahoma City arrived in Yokosuka, Japan on 7 July 1964 and relieved the USS Providence (CLG-6) as flagship for Vice Admiral Roy L. Johnson, Commander, Seventh Fleet.

15 - 23 July 1964 En route Saigon, South Vietnam.

23 July 1964 Visit Saigon, Republic of Vietnam.

5 August 1964 Captain Emmett P. Bonner was relieved by Captain Harry A. Seymour as Commanding Officer of the USS Oklahoma City.

6 - 29 August 1964 The ship departed for a 25-day operation with Task Force 77 in the Gulf of Tonkin following the attacks by North Vietnamese gunboats on the USS Turner Joy (DD-951) and the USS Maddox (DD-731).

31 August - 3 September 1964 In port Subic Bay, Philippines.

5 - 7 September 1964 In port Kelung, Taiwan. Visit Taipei.

9 September 1964 Talos Missile Firing off Buckner Bay, Okinawa.

28 - 30 September 1964 Visit Manila, Philippines.

3 - 9 October 1964 Visit Hong Kong, British Crown Colony

7 - 14 November 1964 Visit Subic Bay, Philippines.

19 - 22 November 1964 In port Swettenham, Malaysia. Visit Kuala Lumpur.

24 - 26 November 1964 Visit Singapore, Malaysia.

3 December 1964 Visit Buckner Bay, Okinawa.

4 December 1964 Talos Missile Firing off Buckner Bay, Okinawa.

6 - 31 December 1964 Restricted availability, Yokosuka, Japan. Over the extended in-port period during the Christmas holiday period, the Oklahoma City added the Armed Forces Expeditionary Medal to her other awards and decorations. The Oklahoma City received the medal for her part in the Tonkin Gulf incident in August and September.

5 - 8 January 1965 Osaka, Japan.

9 - 12 January 1965 Iwakuni, Japan. Visit Hiroshima.

12 - 16 January 1965 Beppu, Japan.

19 - 22 February 1965 Naha, Okinawa.

1 March 1965 Vice Admiral Paul P. Blackburn, Jr. relieved Vice Admiral Roy L. Johnson as Commander Seventh Fleet.

31 March - 3 April 1965 Manila, Philippines.

6 - 9 April 1965 Keelung, Taiwan.

10 - 12 April 1965 Naha, Okinawa.

31 May - 7 June 1965 Hong Kong, British Crown Colony

25 - 29 May 1965 Subic Bay, Philippines.

? June 1965 The honorable Paul Nitze, Secretary of the Navy, paid a visit to Vice Admiral Blackburn on board while the ship was in the South China Sea.

15 June 1965 Naval Gunfire Support Mission.

19 June 1965 Naval Gunfire Support Mission.

19 - 20 June 1965 Naval Gunfire Support Mission.

12 July 1965 Yokosuka, Japan. Capt. Kendall W. Simmons relieved Captain Harry A. Seymour as Commanding Officer USS Oklahoma City.

23 - 27 August 1965 Kaohsiung, Taiwan.

4 September 1965 Naval Gunfire Support Mission.

5 September 1965 Naval Gunfire Support Mission.

7 - 9 September 1965 Oklahoma City served as a Naval Gunfire Support vessel in "Operation Piranha", a large-scale amphibious assault in South Vietnam. Captain Simmons acted as commander of the gunfire support mission for the operation.

12 September 1965 Admiral McDonald, Chief of Naval Operations and Vice Admiral Semmes, Chief of Naval Personnel were guests aboard the Oklahoma City. During the visit, a birthday party was held for Admiral McDonald and both he and Vice Admiral Semmes addressed the crew.

16 - 18 September 1965 Cebu, Philippines.

? October 1965 Yokosuka, Japan.

23 - 23 October 1965 Hong Kong, British Crown Colony

30 October - 8 November 1965 Subic Bay, Philippines.

13 November 1965 USS Oklahoma City returned to her homeport of Yokosuka, Japan for a normal upkeep period.

3 - 10 December 1965 SAR Operations.

20 - 23 January 1966 Vietnam combat zone

26 - 31 January 1966 Vietnam combat zone

27 February - 5 March 1966 Vietnam combat zone

14 - 29 March 1966 Vietnam combat zone

15 May - 3 June 1966 Vietnam combat zone

11 - 26 July 1966 Vietnam combat zone

25 August - 17 September 1966 Vietnam combat zone

12 - 21 October 1966 Vietnam combat zone

29 October - 2 November 1966 Vietnam combat zone

15 - 18 November 1966 Vietnam combat zone

1 December 1966 marked the conclusion of her two and a half year tour of duty as flagship of the Seventh fleet.

15 December 1966 Oklahoma City returned to Hunter's Point Naval Shipyard, San Francisco, California, for an extensive overhaul period. Unnecessary platforms were removed from after superstructure. Weather satellite antenna was installed above pilot house.

25 June 1967 Hunter's Point Naval Shipyard. Conducted inclining experiments.

18 July 1967 Overhaul completed, Oklahoma City steamed from San Francisco to her new home port, San Diego, California

22 July 1967 Arrived at San Diego. Oklahoma City immediately began an intensive training program to ready the ship in all aspects for combat and other assigned duties, including that of flagship for the Commander U. S. First Fleet.

History for fiscal year July 1967 to June 1968 is missing.

21 June 1968 Moored starboard side to berth Lima, U. S. Naval Air Station, North Island, San Diego, California. COMFIRSTFLT embarked. Captain Wayne D. Surface, U. S. Navy relieved Captain David H. Bagley, U. S. Navy as Commanding Officer, USS Oklahoma City (CLG-5).

22 - 23 June 1968 In port San Diego.

24 June - 2 July 1968 Participated in Fleet Exercise "BEARER BURDEN."

27 June 1968 Fired Talos missle at Bomarc missile target.

29 June 1968 Fired Talos missle at a decommissioned DE hull. The target was sunk.

2 July 1968 Fired three Talos missiles against target drones. Fleet Exercise "BEARER BURDEN" completed. Arrived in San Diego and moored at Pier #1, NAS North Island at 1803.

3 July 1968 Rendered 21 Gun Salute to Japanese Maritime Self-Defense Force Destroyer Training Squadron.

4 July 1968 Rendered 21 Gun Salute in honor of Independence Day.

6 - 7 July 1968 In port San Diego.

8 July 1968 Underway for local operating area.

9 - 11 July 1968 In local operating area for special exercise.

11 July 1968 Fired an ARM Talos missile at an S-band antenna target.

12 - 14 July 1968 Moored at pier India, NAS, North Island, San Diego, California.

15 July 1968 Underway for local operating area.

16 July 1968 Fired an ARM Talos missile at an S-band antenna target. Returned to San Diego and moored at pier India, NAS, North Island.

18 July 1968 In port San Diego.

20 - 21 July 1968 In port San Diego.

24 - 25 July 1968 Underway for Esquimalt, B.C.

26 July 1968 Moored to Jetty "A", Esquimalt, B.C.

27 - 28 July 1968 In port Esquimalt, B.C.

29 July 1968 Underway at 0709 en route for Vancouver, B.C. Arrived Vancouver at 1351 and moored to Centennial Pier.

30 July 1968 In port Vancouver, B.C.

31 July 1968 Underway at 0950 en route Seattle, Washington. Arrived Seattle at 1801 and anchored in Elliott Bay.

1 August 1968 Moored at Pier 91 Seattle, Washington. Seattle Sea Fair Queen arrived on board to extend a welcome for the officers and men and departed.

5 - 7 August 1968 Underway for San Diego, California.

7 - 13 August 1968 In port San Diego.

13 August 1968 Oklahoma City rendered 15 gun salute to honor the Deputy Commander in Chief, Royal Thailand Navy.

14 August 1968 Underway as part of Task Unit 174.0.1 to participate in Fleet Exercise "BEAD WELD" off the coast of Southern California.

19 August 1968 Fired three Talos missiles at target drones.

22 August 1968 Oklahoma City was detached from operation "BEAD WELD" and returned to San Diego.

22 - 30 August 1968 In port San Diego.

28 August 1968 Underwater hull inspection by USS Samuel Gompers (AD-37).

1 - 30 September 1968 In port San Diego. The ship conducted inspections and repairs in preparation for deployment to WESTPAC.

1 October 1968 Underway for Fleet Exercise "BEAT CADENCE".

2 - 9 October 1968 Participating in Fleet Exercise "BEAT CADENCE".

4 October 1968 Fired a Talos missile at a decommissioned DE hull.

7 October 1968 Fired four Talos missiles at target drones.

9 October 1968 Fleet Exercise "BEAT CADENCE" completed. Returned to San Diego and moored to pier Oscar/Papa, NAS, North Island.

10 - 31 October 1968 In port San Diego.

15 October 1968 NTPI Inspection.

16 October 1968 A flooded trunk was found by the sounding and security patrol. Flooding was stopped and the space de-watered.

17 October 1968 Shifted berth from Oscar/Papa to pier India. Underwater hull inspection by USS Samuel Gompers (AD-37).

23 October 1968 Received USS Saint Paul (CA-73) to starboard.

24 October 1968 In process of shifting COMFIRSTFLT Staff to Saint Paul.

25 October 1968 Shifting of COMFIRSTFLT Staff personnel, material and equipment to Saint Paul completed. COMFIRSTFLT shifted his flag to USS Saint Paul. USS Saint Paul was cast off at 1405.

26 - 28 October 1968 Routine preparation for WESTPAC deployment.

1 November 1968 Received USS Saint Paul (CA-73) to starboard.

2 - 6 November 1968 In port San Diego.

4 November 1968 Cast off USS Saint Paul.

7 November 1968 Underway at 0957 en route Yokosuka, Japan via Pearl Harbor.

8 - 11 November 1968 En route to Pearl Harbor, Hawaii.

12 November 1968 Arrived Pearl Harbor at 0725 and moored port side to berth Mike, U. S. Naval Station Pearl. Visited by ADM Hyland, CINCPACFLT.

13 November 1968 Underway at 1702 en route Yokosuka, Japan.

14 - 22 November 1968 En route to Yokosuka, Japan.

18 November 1968 Crossed the 180° Meridian. Course 291°(T), speed 18.4 kts.

20 November 1968 Crossed the 160° Meridian. Course 282°(T), speed 18.4 kts. Officially chopped to COMSEVENTHFLT.

22 November 1968 Arrived Yokosuka, Japan and moored port side to USS Providence (CLG-6), pier #10, Yokosuka, Japan.

23 - 30 November 1968 In port Yokosuka.

23 - 25 November 1968 Made preparations for shifting COMSEVENTHFLT, his staff, material and equipment from the Providence to Oklahoma City.

26 November 1968 VADM W. F. Bringle, COMSEVENTHFLT, broke his flag in Oklahoma City.

1 December 1968 In port Yokosuka.

2 December 1968 Underway at 1100 for Special Operations in Tonkin Gulf and coast of South Vietnam.

3 - 7 December 1968 En route as before.

6 December 1968 Man overboard. Lost BT3 Percy (n) Micheaux, USN, 686 38 47. Death by drowning. Position: Latitude 19° 24' 05"E, Longitude 116° 11' 02"N.

7 December 1968 In Combat Zone area.

8 - 15 December 1968 On Special Operations off Vietnam providing Gun Fire Support.

13 December 1968 Admiral J. J. Hyland, CINCPACFLT arrived by helo at 1207 and departed by helo at 1400.

16 December 1968 Departed Combat Zone area, en route Yokosuka, Japan.

17 - 18 December 1968 En route to Yokosuka, Japan.

19 December 1968 Arrived Yokosuka, Japan and moored to pier #10, Fleet Activities, Yokosuka.

20 - 31 December 1968 In port Yokosuka.

25 December 1968 Christmas in Yokosuka, Japan.

1 - 5 January 1969 In port Yokosuka.

6 January 1969 Underway en route for Special Operations off the coast of Vietnam.

7 - 10 January 1969 En route to Gulf of Tonkin.

11 January 1969 Entered Combat Zone.

12 - 14 January 1969 En route to Danang, Vietnam.

15 January 1969 Body later identified as Caucasian male was spotted South of Danang. The body was brought aboard and later transferred to Naval Hospital Danang. Identity unknown.

16 - 22 January 1969 Special Operations off the coast of Vietnam providing Gun Fire Support.

18 January 1969 Ship ran aground at 0925, position 150° 53.3'N, 108° 24.7'E. Ship was afloat and underway at 1556.

23 January 1969 Departed Combat Zone en route to Subic Bay, Philippines.

24 January 1969 En route to Subic Bay, Philippines.

25 January 1969 Arrived Naval Station, Subic Bay, Philippines and moored to Naval Station pier. Underwater hull inspection by Ship Repair Facility.

26 January - 2 February 1969 In port Subic Bay, Philippines.

3 February 1969 Underway at 1059 from Subic Bay en route Hong Kong, British Crown Colony

4 February 1969 Arrived Hong Kong, British Crown Colony at 0900 and moored to HMS Tamar.

5 - 9 February 1969 In port Hong Kong.

10 February 1969 Underway at 0950 from Hong Kong to Special Operations off Vietnam.

11 February 1969 Entered Combat Zone.

12 - 21 February 1969 On Special Operations off the coast of Vietnam providing Gun Fire Support.

18 February 1969 Admiral J. J. Hyland, CINCPACFLT arrived on board by helo at 1004 and departed by helo at 1146.

22 February 1969 Departed Combat Zone en route Yokosuka.

23 - 24 February 1969 En route Yokosuka and then turned around to return to Combat Zone and Special Operations during TET offensive.

25 February 1969 Entered Combat Zone.

26 February - 2 March 1969 On Special Operations off the coast of Vietnam providing Gun Fire Support.

4 March 1969 Departed Combat Zone area. En route Yokosuka.

5 - 7 March 1969 En route Yokosuka.

8 March 1969 Arrived Yokosuka, Japan at 1230 and moored to berth 10, Fleet Activities, Yokosuka.

9 - 27 March 1969 In port Yokosuka.

28 March 1969 Underway at 1100 en route Kaohsiung, Taiwan.

29 - 30 March 1969 En route Kaohsiung, Taiwan.

31 March 1969 Arrived Kaohsiung, Taiwan at 0800 and moored to quay wall, Kaohsiung.

1 - 2 April 1969 In port Kaohsiung.

3 April 1969 Underway at 0900 en route Yankee Station.

4 April 1969 En route Gulf of Tonkin.

5 April 1969 Entered Combat Zone area.

6 - 16 April 1969 On Special Operations off the coast of Vietnam providing Gun Fire Support.

16 April 1969 En route Yankee Station after North Korea shot down a US EC-121 reconnaissance aircraft over the Sea of Japan.

17 April 1969 Departed Yankee Pim in company with USS Enterprise (CVAN-65), USS Chicago (CG-11), USS Ticonderoga (CVA-14), USS Meredith (DD-890), USS Percy (DD-844), USS Gurke (DD-783) and USS John W. Weeks (DD-701) for Sea of Japan for Special Operations with TF 71.

18 - 25 April 1969 Special Operations with TF 71 in the Sea of Japan.

26 April 1969 Detached from TF 71 en route Yokosuka, Japan.

27 April 1969 En route to Yokosuka.

28 April 1969 Arrived Yokosuka, Japan and moored to pier #10, Fleet Activities.

29 April - 11 May 1969 In port Yokosuka for repair availability.

2 May 1969 Admiral J. J. Hyland, CINCPACFLT arrived on board at 0757 and departed at 0949.

12 May 1969 Underway at 1100 en route Manila, Philippines.

13 - 15 May 1969 En route Manila.

16 May 1969 Arrived Manila, Philippines 0830 and rendered 21 gun national salute. Moored to pier at 0900, Manila, Philippines.

17 - 18 May 1969 Open House - Conducted general and special visiting. Engaged in people to people activities.

19 - 21 May 1969 Underway en route Danang RVN.

22 May 1969 Entered Combat Zone.

23 - 29 May 1969 Special Operations off the coast of Vietnam providing Gun Fire Support.

24 May 1969 Secretary of the Navy, the Honorable John A. Chafee and the Honorable Charles A. Bowsher arrived on board by helo at 1139 and departed by helo at 1340.

30 May 1969 Departed Combat Zone en route Singapore.

31 May - 1 June 1969 En route to Singapore.

2 June 1969 Arrived Singapore and moored to HMS Terror, British Naval Base.

4 June 1969 Defense Advisor Australian High Commissioner, Defense Advisor British High Commissioner and Commander Far East Fleet made a brief visit to the ship.

5 June 1969 In port Singapore.

6 June 1969 Commander Far East Fleet, British Navy made a brief visit to the ship. Underway at 0900 en route Special Operations. Crossed the Equator at 1710, Latitude 00°, Longitude 105°E, Course 180°(T), Speed 21 kts.

7 June 1969 Conducted "Crossing the Line" ceremonies.

8 June 1969 Entered Combat Zone.

9 - 13 June 1969 On Special Operations off the coast of Vietnam providing Gun Fire Support.

12 June 1969 COMSEVENTHFLT helo Blackbeard I made its 500th landing on Oklahoma City.

14 June 1969 Departed Combat Zone en route for Yokosuka, Japan.

19 June 1969 Arrived Yokosuka, Japan and moored to pier #10, Fleet Activities.

20 - 30 June 1969 In port Yokosuka for repair availability with SRF Yokosuka.

25 June 1969 Admiral J. J. Hyland, CINCPACFLT arrived on board at 0910 and departed at 1105.

1 - 6 July 1969 In port Yokosuka for routine upkeep.

4 July 1969 Independence Day observed. Ship open for general visiting.

7 July 1969 Underway from Yokosuka for special operations.

8 - 10 July 1969 En route Vietnam.

10 July 1969 Evasion procedures to avoid typhoon Tess.

11 - 22 July 1969 Conducted Special Operations off the coast of Vietnam, providing gunfire support.

23 July 1969 Departed combat zone for Otaru, Japan.

24 - 27 July 1969 En route Otaru, Japan.

28 - 30 July 1969 In port Otaru, Japan. Moored berth 13, pier 3. Visit Sapporo.

29 July 1969 Ship open to general visiting.

31 July 1969 Departed Otaru for Yokosuka, Japan. Father-son cruise.

1 August 1969 Arrived Yokosuka, Japan. Berthed in Drydock #6.

2 - 18 August 1969 in Drydock #6, Yokosuka. Ship's 6"/47 gun barrels were replaced.

19 - 20 August 1969 Restricted availability, Yokosuka, Japan.

21 August 1969 Departed Yokosuka for Vietnam.

22 - 25 August 1969 En route Vietnam.

26 August - 6 September 1969 Conducted Special Operations off the coast of Vietnam providing gunfire support.

7 September 1969 Departed combat zone, en route Okinawa.

11 September 1969 Conducted Talos firing exercise off Okinawa.

11 September 1969 En route Sasebo, Japan.

12 - 15 September 1969 In port Sasebo, Japan. Visit Nagasaki.

16 September 1969 Departed Sasebo, Japan.

17 September 1969 En route Yokosuka, Japan.

18 September 1969 Arrived Yokosuka, Japan. Moored berth 12, Fleet Activities.

19 - 30 September 1969 In port Yokosuka, Japan

26 September 1969 Captain's personnel inspection of the crew.

29 September 1969 Captain Jay S. Howell relieved Captain Wayne D. Surface as Commanding Officer USS Oklahoma City.

1 October 1969 In port Yokosuka, Japan.

2 October 1969 Underway for Vietnam.

3 - 6 October 1969 En route Vietnam.

7 - 20 October 1969 Conducted Special Operations off the coast of Vietnam providing gunfire support.

18 October 1969 0300 Man overboard. GMG3 Peter E. Gutloff lost at sea. Search by several Navy and Coast Guard units terminated at 1800.

21 October 1969 Departed combat zone, en route for Hong Kong, British Crown Colony

22 October 1969 En route Hong Kong, British Crown Colony

23 - 27 October 1969 Port Visit Hong Kong, British Crown Colony

28 October 1969 Departed Hong Kong, en route Yokosuka, Japan.

29 - 30 October 1969 En route Yokosuka, Japan.

31 October - 17 November 1969 Upkeep Yokosuka, Japan.

18 November 1969 Underway for Keelung, Taiwan, Republic of China.

19 - 20 November 1969 En route Keelung, Taiwan, Republic of China.

21 - 23 November 1969 Port visit Keelung, Taiwan, Republic of China. Moored to pier E-2.

22 - 23 November 1969 Ship open to general visiting. 15,000 people visited the ship.

24 November 1969 Depart Keelung, en route Vietnam.

25 November 1969 En route Vietnam. Diverted course to rendezvous with USS Dubuque (LPD-8). Oklahoma City medical team flew to Dubuque to perform emergency surgery.

26 November - 9 December 1969 Conducted Special Operations off Vietnam providing gunfire support.

10 December 1969 Departed combat zone, en route Manila, Republic of the Philippines.

11 December 1969 En route Manila.

12 - 14 December 1969 Port visit Manila, Republic of the Philippines.

15 December 1969 Underway, en route Yokosuka, Japan. Captain's Material Inspection.

16 - 18 December 1969 En route Yokosuka, Japan.

19 December 1969 Arrive Yokosuka, Japan.

20 - 31 December 1969 Upkeep Yokosuka, Japan.

22 - 23 December 1969 Oklahoma City celebrated her 25th anniversary.

25 December 1969 Christmas in Yokosuka, Japan.