title: HDMS Ejnar Mikkelsen (P571)
Thetis-class ocean patrol vessel
HDMS Vædderen (F359)
HDMS Thetis (F357)
HDMS Freja (P521)
HDMS Nordkaperen (S321)
HDMS Hvidbjørnen (F360)
HDMS Narhvalen (S320)
HDMS Knud Rasmussen (P570)
Agdlek-class cutter
sentences: HDMS "Ejnar Mikkelsen" is a Royal Danish Navy patrol vessel.
The "Thetis"-class ocean patrol vessels or ocean patrol frigates, also called Stanflex 3000, is a class of large patrol vessels built for the Royal Danish Navy.
 The class comprises four ships, all built and commissioned in the early 1990s.
 The ships' tasks are mainly maintenance of sovereignty, search and rescue, fishery inspection and support to local (mainly Greenlandic) authorities.
 The operation areas are normally Greenland and the Faroe Islands, but the vessels also operate near Iceland on transit between Greenland and the Faroe Islands, and near Denmark.
HDMS (Her Danish Majesty's Ship) "Vædderen" (F359) is a "Thetis"-class ocean patrol vessel of the Royal Danish Navy.
 She is employed to exercise Danish sovereignty in waters around the Faroe Islands and Greenland.
HDMS "Thetis" is a "Thetis"-class ocean patrol vessel belonging to the Royal Danish Navy.
HDMS "Freja" is a "Diana"-class large ocean patrol vessel belonging to the Royal Danish Navy.
HDMS "Nordkaperen" (S321) was a "Narhvalen"-class submarine of the Royal Danish Navy.
 She was built to the German Type 205 design at the naval dockyard in Copenhagen where she was laid down on 4 March 1966.
 She was launched on 18 December 1969, and was commissioned into the Royal Danish Navy on 22 December 1970.
 In 1994, "Nordkaperen" and sister ship "Narhvalen" were modified to bring their technical performance more in line with the Royal Danish Navy's newer "Tumleren" class .
 "Nordkaperen" was decommissioned on 2 February 2004.
HDMS "Hvidbjørnen" ("Hvidbjørnen" is older Danish for polar bear) is a "Thetis"-class ocean patrol vessel belonging to the Royal Danish Navy.
HDMS "Narhvalen" (S320) was the lead ship of her class of submarine for the Royal Danish Navy.
 She was built to the German Type 205 design at the naval dockyard in Copenhagen where she was laid down on 16 February 1965.
 She was launched on 10 September 1968, and was commissioned into the Royal Danish Navy on 27 February 1970.
 In 1994, "Narhvalen" and sister ship "Nordkaperen" were modified to bring their technical performance more in line with the Royal Danish Navy's newer "Tumleren" class .
 "Narhvalen" was decommissioned on 16 October 2003.
HDMS "Knud Rasmussen" is a Royal Danish Navy patrol vessel.
 "Knud Rasmussen" and her sister ships normally operate in the waters around Greenland.
The "Agdlek"-class cutter is a ship class of cutters built for and operated by the Royal Danish Navy for patrol duty in the waters of Greenland.
 Only one vessel of the class, HDMS "Tulugaq" , remains active.
 The cutters are being replaced one for one with the much larger "Knud Rasmussen"-class patrol vessel .

Question: Question: HDMS Hvidbjørnen is what class of ocean patrol vessel, also called Stanflex 3000, belonging to the Royal Danish Navy? 

 Your answer will be verified with exact match score. To ensure correct verification, only provide the answer within the <answer> </answer> tags. Do not put any sentences or reasoning process within the <answer> </answer> tags. 

Supporting Information: Paragraph 0 

 HDMS "Ejnar Mikkelsen" is a Royal Danish Navy patrol vessel. 

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Paragraph 1 

 The "Thetis"-class ocean patrol vessels or ocean patrol frigates, also called Stanflex 3000, is a class of large patrol vessels built for the Royal Danish Navy.
 The class comprises four ships, all built and commissioned in the early 1990s.
 The ships' tasks are mainly maintenance of sovereignty, search and rescue, fishery inspection and support to local (mainly Greenlandic) authorities.
 The operation areas are normally Greenland and the Faroe Islands, but the vessels also operate near Iceland on transit between Greenland and the Faroe Islands, and near Denmark. 

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Paragraph 2 

 HDMS (Her Danish Majesty's Ship) "Vædderen" (F359) is a "Thetis"-class ocean patrol vessel of the Royal Danish Navy.
 She is employed to exercise Danish sovereignty in waters around the Faroe Islands and Greenland. 

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Paragraph 3 

 HDMS "Thetis" is a "Thetis"-class ocean patrol vessel belonging to the Royal Danish Navy. 

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Paragraph 4 

 HDMS "Nordkaperen" (S321) was a "Narhvalen"-class submarine of the Royal Danish Navy.
 She was built to the German Type 205 design at the naval dockyard in Copenhagen where she was laid down on 4 March 1966.
 She was launched on 18 December 1969, and was commissioned into the Royal Danish Navy on 22 December 1970.
 In 1994, "Nordkaperen" and sister ship "Narhvalen" were modified to bring their technical performance more in line with the Royal Danish Navy's newer "Tumleren" class .
 "Nordkaperen" was decommissioned on 2 February 2004. 

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Paragraph 5 

 HDMS "Hvidbjørnen" ("Hvidbjørnen" is older Danish for polar bear) is a "Thetis"-class ocean patrol vessel belonging to the Royal Danish Navy. 

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Paragraph 6 

 HDMS "Knud Rasmussen" is a Royal Danish Navy patrol vessel.
 "Knud Rasmussen" and her sister ships normally operate in the waters around Greenland. 

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Paragraph 7 

 The "Agdlek"-class cutter is a ship class of cutters built for and operated by the Royal Danish Navy for patrol duty in the waters of Greenland.
 Only one vessel of the class, HDMS "Tulugaq" , remains active.
 The cutters are being replaced one for one with the much larger "Knud Rasmussen"-class patrol vessel . 

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Answer: "Thetis"-class ocean patrol vessel