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	USS Cook Inlet (AVP-36) off Houghton, Washington, on 3 November 1944, two days before commissioning.
History
United States
Name	USS Cook Inlet
Namesake	Cook Inlet, on the coast of Alaska north of Kodiak
Builder	Lake Washington Shipyard, Houghton, Washington
Laid down	23 August 1943
Launched	13 May 1944
Sponsored by	Mrs. H. K. Stubbs
Commissioned	5 November 1944
Decommissioned	31 March 1946
Honors and; awards	One battle star for World War II service
Fate	Loaned to U.S. Coast Guard 20 September 1948; Transferred permanently to Coast Guard 26 September 1966;
United States
Name	USCGC Cook Inlet (WAVP-384)
Namesake	Previous name retained
Acquired	Loaned by United States Navy to Coast Guard 20 September 1948; Transferred permanently from Navy to Coast Guard 26 September 1966;
Commissioned	15 January 1949
Reclassified	High endurance cutter (WHEC-384) 1 May 1966
Decommissioned	21 December 1971
Honors and; awards	Two campaign stars for Vietnam War service
Fate	Transferred to South Vietnam 21 December 1971
South Vietnam
Name	RVNS Trần Quốc Toản (HQ-06)
Namesake	Trần Quốc Toản (1267–1285), a general and prince of the Trần dynasty
Acquired	21 December 1971
Fate	Fled to Philippines on collapse of South Vietnam April 1975; Formally transferred to Republic of the Philippines 5 April 1976;
Philippines
Acquired	5 April 1976
Commissioned	never
Fate	Cannibilized for spare parts; Discarded 1982;
General characteristics (seaplane tender)
Class and type	Barnegat-class small seaplane tender
Displacement	1,766 tons (light); 2,750 tons (full load)
Length	311 ft 8 in (95.00 m)
Beam	41 ft 1 in (12.52 m)
Draught	13 ft 6 in (4.11 m)
Installed power	6000 horsepower (4.48 megawatts)
Propulsion	Diesel engines, two shafts
Speed	18.6 knots (34 km/h)
Complement	215 (ship's company); 367 (with aviation unit);
Armament	1 × single 5 in (130 mm) 38-caliber dual-purpose gun mount; 1 × quad 40-mm antiaircraft gun mount; 2 × dual 40-mm antiaircraft gun mounts; 4 × dual 20-mm antiaircraft gun mounts; 2 × depth charge tracks;
Aviation facilities	Supplies, spare parts, repairs, and berthing for one seaplane squadron; 80,000 US gallons (300,000 L) aviation fuel
General characteristics (Coast Guard cutter)
Class and type	Casco-class cutter
Displacement	2,528.7 tons (full load) in 1966
Length	309 ft 10.125 in (94.44038 m) overall; 298 ft 11.125 in (91.11298 m) between perpendiculars
Beam	41 ft 0 in (12.50 m) maximum
Draft	12 ft 6 in (3.81 m) at full load in 1966
Installed power	6,080 bhp (4,530 kW)
Propulsion	Fairbanks-Morse geared diesel engines, two shafts; 166,601 US gallons (630,650 L) of fuel
Speed	19.4 knots (35.9 km/h) (maximum sustained in 1966); 10.5 knots (19.4 km/h) (economic in 1966);
Range	12,500 nautical miles (23,200 km) at 19.4 knots (35.9 km/h) in 1966; 20,800 nautical miles (38,500 km) at 10.5 knots (19.4 km/h) in 1966;
Complement	151 (10 officers, 3 warrant officers, 138 enlisted personnel) in 1966
Sensors and ; processing systems	Radars in 1966 (one each): SPS-23, SPS-29B, SPS-4B, SPS-52; Sonar in 1966: SQS-1;
Armament	In 1966: 1 x single 5-inch (127 mm) 38-caliber Mark 12-1 gun mount; 1 x Mark 52 gunfire control system (GFCS) director; 1 x Mark 26 Mod 1 fire control radar; 1 x Mark 10 Mod 1 antisubmarine projector; 2 x Mark 32 Mod 5 torpedo launchers
General characteristics (South Vietnamese frigate)
Class and type	Trần Quang Khải-class frigate
Displacement	1,766 tons (standard); 2,800 tons (full load);
Length	310 ft 9 in (94.72 m) (overall); 300 ft 0 in (91.44 m) waterline
Beam	41 ft 1 in (12.52 m)
Draft	13 ft 5 in (4.09 m)
Installed power	6,080 horsepower (4.54 megawatts)
Propulsion	2 x Fairbanks Morse 38D diesel engines
Speed	approximately 18 knots (maximum)
Complement	approximately 200
Armament	1 × 5-inch/38-caliber (127-millimeter) dual-purpose gun; 1 or 2 x 81-millimeter mortars in some ships; Several machine guns;

USS Cook Inlet (AVP-36) was a United States Navy Barnegat-class small seaplane tender in commission from 1944 to 1946. She tended seaplanes during World War II in the Pacific and earned one battle star for her service. After the war, she was transferred to the United States Coast Guard, and was in commission as the Coast Guard cutter USCGC Cook Inlet (WAVP-384), later WHEC-384, from 1949 to 1971. She saw service in the Vietnam War during her Coast Guard career, receiving two campaign stars for her operations during the conflict. Transferred to South Vietnam in 1971, she operated as the Republic of Vietnam Navy frigate RVNS Trần Quốc Toản (HQ-06) until South Vietnam's collapse in April 1975 at the end of the Vietnam War. She fled to the Philippines and in 1976 was transferred to the Philippine Navy, which never commissioned her, instead using her as a source of spare parts for her sister ships, the Andrés Bonifacio-class frigates, before discarding her in 1982.

Construction and commissioning

Cook Inlet (AVP-36) was laid down on 23 August 1943 at Lake Washington Shipyard at Houghton, Washington. She was launched on 13 May 1944, sponsored by Mrs. H. K. Stubbs, wife of Captain Stubbs, and commissioned on 5 November 1944.

United States Navy service

World War II

Cook Inlet departed San Diego, California, on January 15, 1945 and arrived at Pearl Harbor, Hawaii, on January 21, 1945. She tended seaplanes at Hilo, Hawaii, from January 25, 1945 to January 31, 1945.

Cook Inlet arrived off Saipan on February 26, 1945 to serve with the escort and patrol group based there, and from March 2, 1945 to March 14, 1945 was on an air-sea rescue station during the invasion of Iwo Jima. Cook Inlet rescued 27 survivors of downed bombers. She was still on duty at Iwo Jima when hostilities with Japan ended on August 15, 1945, bringing World War II to a close.

Honors and awards

Cook Inlet received one battle star for World War II service.

Post-World War II

Cook Inlet remained on duty off Iwo Jima until 29 November 1945, when she sailed to Jinsen, Korea, for duty as station tender. She then returned to the United States, calling at Iwo Jima and Pearl Harbor before reaching San Francisco, California, on 22 January 1946.

Decommissioning

Cook Inlet was decommissioned and placed in reserve in the Pacific Reserve Fleet on 31 March 1946.

United States Coast Guard service

Barnegat-class ships were very reliable and seaworthy and had good habitability, and the Coast Guard viewed them as ideal for ocean station duty, in which they would perform weather reporting and search and rescue tasks, once they were modified by having a balloon shelter added aft and having oceanographic equipment, an oceanographic winch, and a hydrographic winch installed. After World War II, the U.S. Navy transferred 18 of the ships to the Coast Guard, in which they were known as the Casco-class cutters.

The Navy loaned Cook Inlet to the Coast Guard on 20 September 1948. After undergoing conversion for Coast Guard use, she was commissioned into the Coast Guard on 15 January 1949 as USCGC Cook Inlet (WAVP-384).

Service history

North Atlantic

Cook Inlet's home port was Portland, Maine, throughout her Coast Guard career of almost 23 years. She served in the North Atlantic Ocean, where her primary duty was to serve on ocean stations to gather meteorological data. While on duty in one of these stations, she was required to patrol a 210-square-mile (544-square-kilometer) area for three weeks at a time, leaving the area only when physically relieved by another Coast Guard cutter or in the case of a dire emergency. While on station, she acted as an aircraft check point at the point of no return, a relay point for messages from ships and aircraft, a source of the latest weather information for passing aircraft, as a floating oceanographic laboratory, and as a search-and-rescue ship for downed aircraft and vessels in distress, and she engaged in law enforcement operations.

On 12 October 1953, Cook Inlet rendezvoused with the Coast Guard cutter USCGC Chambers (WDE-491) in the Atlantic to take a medical patient from Chambers which Chambers had evacuated the previous day from the merchant ship Neva West. She then transported that patient to medical facilities ashore.

Cook Inlet took part in the United States Coast Guard Academy cadet cruise of August 1965.

On 28 January 1966, Cook Inlet rescued survivors in of a swamped pleasure craft. Between 3 and 8 February 1966, she escorted the distressed Liberian merchant vessel Arion to Bermuda. On 8 April 1966, she assisted the burning Norwegian passenger-freighter Viking Princess, sending a fire and rescue party aboard Viking Princess to fight her fires; rushing from Guantanamo Bay, Cuba, in a three-hour voyage, the U.S. Navy frigate USS Wilkinson (DL-5) also assisted Viking Princess, taking 13 survivors of the ship aboard from the Republic of China merchant ship Chungking Victory and transporting them to Guantanamo Bay. In 1969, "Cook Inlet" transported Jacques Piccard and other scientific personnel to Portland after their research sub, the "Ben Franklin" surfaced after its month long, 1400 mile journey, drifting in the Gulf stream.

Cook Inlet was reclassified as a high endurance cutter and re-designated WHEC-384 on 1 May 1966. Her loan period from the Navy came to an end on 26 September 1966, when she was transferred permanently from the Navy to the Coast Guard.

On 8 January 1968, Cook Inlet evacuated a crewman in medical distress from the Swedish merchant ship California.

Vietnam War

Cook Inlet was assigned to Coast Guard Squadron Three in South Vietnam on 2 July 1971. Coast Guard Squadron Three was tasked to operate in conjunction with U.S. Navy forces in Operation Market Time, the interdiction of North Vietnamese arms and munitions traffic along the coastline of South Vietnam during the Vietnam War. The squadron's other Vietnam War duties included fire support for ground forces, resupplying Coast Guard and Navy patrol boats, and search-and-rescue operations. Cook Inlet served in this capacity until 21 December 1971.

Honors and awards

Cook Inlet earned two campaign stars for her Vietnam War service, for:

Consolidation I 16 July 1971 – 9 August 1971, 27 August 1971 – 15 September 1971, 1 October 1971 – 24 October 1971, and 22 November 1971 – 30 November 1971
Consolidation II 1 December 1971 – 15 December 1971

Decommissioning

The Coast Guard decommissioned Cook Inlet in South Vietnam on 21 December 1971, the day her Vietnam War tour ended.

Republic of Vietnam Navy service

RVNS *Trần Quốc Toản* (HQ-06) pierside at center, with her sister ships RVNS *Trần Quang Khải* (HQ-02) (left) and RVNS *Trần Bình Trọng* (HQ-05) (right).

On 21 December 1971 – the day the Coast Guard decommissioned her – Cook Inlet was transferred to South Vietnam, which commissioned her into the Republic of Vietnam Navy as the frigate RVNS Trần Quốc Toản (HQ-06).^[3] By mid-1972, six other former Casco-class cutters – known in the Republic of Vietnam Navy as the Trần Quang Khải-class frigates – also were in South Vietnamese service. They were the largest warships in the South Vietnamese inventory, and their 5-inch (127-millimeter) guns were South Vietnam's largest naval guns. Trần Quốc Toản and her sisters fought alongside U.S. Navy ships during the final years of the Vietnam War, patrolling the South Vietnamese coast and providing gunfire support to South Vietnamese forces ashore.

When South Vietnam collapsed at the end of the Vietnam War in late April 1975, Trần Quốc Toản became a ship without a country. She fled to Subic Bay in the Philippines, packed with South Vietnamese refugees. On 22 and 23 May 1975, a U.S. Coast Guard team inspected Trần Quốc Toản and five of her sister ships, which also had fled to the Philippines in April 1975. One of the inspectors noted: "These vessels brought in several hundred refugees and are generally rat-infested. They are in a filthy, deplorable condition. Below decks generally would compare with a garbage scow."^[4]

Philippine Navy

The Republic of the Philippines took custody of Trần Quốc Toản after her arrival in 1975, and the United States formally transferred her to the Philippines on 5 April 1976. She did not enter Philippine Navy service; instead she and her sister ship RVNS Trần Nhật Duật (HQ-03) were cannibalized for spare parts to allow the Philippines to keep four other sister ships – all former South Vietnamese ships known in the Philippine Navy as the Andrés Bonifacio-class frigates – in commission in the Philippine Navy.^[5]

The former Trần Quốc Toản was discarded in 1982 and probably scrapped.^[6]

References

^ Per the U.S. Coast Guard Historian's Office (see http://www.uscg.mil/history/webcutters/BeringStrait1948.asp Archived 24 September 2008 at the Wayback Machine), although NavSource.org (see http://www.navsource.org/archives/09/43/4334.htm Archived 7 December 2014 at the Wayback Machine) claims the Coast Guard decommissioned Cook Inlet on 27 December 1970.
^ Sources do not specify which ships of the class mounted mortars or how many they mounted; see Jane's Fighting Ship 1973-1974, p. 592.
^ Per Janes's Fighting Ships 1973-1974, p. 592, "HQ" is an abbreviation for "Hai Quan", Vietnamese for "Navy", used for all Republic of Vietnam Navy ships.
^ This quote, from the U.S. Coast Guard Historian's Office at http://www.uscg.mil/history/webcutters/McCulloch_1946.pdf Archived 24 September 2008 at the Wayback Machine, is unattributed.
^ NavSource Online: Service Ship Photo Archive at http://www.navsource.org/archives/09/43/4336.htm Archived 29 September 2007 at the Wayback Machine
^ United States Coast Guard Historian's Office at http://www.uscg.mil/history/webcutters/CookInlet1949.asp Archived 31 January 2009 at the Wayback Machine