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Karel Doorman-class frigate

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HMS Van Amstel F831 USN-8154G-232 cropped.jpg
Class overview
NameKarel Doorman class
BuildersDamen Schelde Naval Shipbuilding
Operators
Preceded by
Succeeded byNetherlands & Belgium: ASWF class
Costƒ445 million per unit[1]
Built1985–1995
In commission1991–present
Completed8
Active7
Laid up1
General characteristics
TypeMulti-purpose frigate
Displacement3,320 tons
Length401 feet (122 m)
Beam47 feet (14 m)
Draught20 feet (6.1 m)
Propulsion
Speed30 knots (56 km/h)
Complement154
Sensors and
processing systems
  • Thales Smart-S Mk.1 long-range 3D surveillance and tracking radar
  • Thales LW08 long-range surveillance radar
  • Thales SeaWatcher 100 active phased array surface detection and tracking radar (NLD and BE ships only)
  • Thales GateKeeper Electro-optical 360° survaillance system (NLD and BE ships only)
  • Thales STIR 1.8 Tracking and Illumination Radar system
  • Thales Scout surface surveillance and tactical navigation radar
  • Thales PHS-36 hull-mounted sonar
  • Thales Anaconda DSBV 61 VLF passive tactical towed array sonar
  • Ultra Electronics Multi-static Low Frequency Active Passive Sonar (NLD ships only)
Electronic warfare
& decoys
Armament
Aviation facilitiesHangar and flight deck


The Karel Doorman-class frigates are a series of eight multi-purpose vessels built for the Royal Netherlands Navy. Its namesake is Karel Doorman, a Dutch naval officer whose ship was struck by a Japanese torpedo in the battle of the Java Sea in 1942, and who, as a result of which, went down with his ship.

Design history

In the 1970s, Dutch naval authorities deemed the Roofdier-class frigates old, outdated, and therefore in need of replacement. This led to the construction of the Karel Doorman-class frigates in the mid 1980s after the Dutch navy had finalised the design and requirements for the frigates at the end of the 1970s and early 1980s.[2]

The design of the M-frigates was made in-house at the Royal Netherlands Navy, in close collaboration with construction site De Schelde in Vlissingen and design agency Nevesbu. For the first time stealth techniques were used in the design, such as the sloping walls of the bridge section. Much attention was also paid to the care and facilities for the crew, with more privacy and improved comfort.[3]

The Karel Doorman class were designed as multi purpose frigates that could perform a wide range of missions. Their armament reflects this by incorporating many features, such as the ability to engage submarines, aircraft and surface vessels.[4] Besides warfare the armaments can also be used to support anti-drug and piracy operations.

First amongst this class to be launched was HNLMS Karel Doorman. Laid down in February 1985 and launched in April 1988, it was commissioned by the Dutch navy in May 1991. Karel Doorman was followed by HNLMS Willem van der Zaan, HNLMS Tjerk Hiddes, HNLMS Van Amstel, HNLMS Abraham van der Hulst, HNLMS Van Nes, HNLMS Van Galen, and HNLMS Van Speijk. Even while the ships were still under construction, Dutch authorities tried, and ultimately failed, to negiotate purchase orders by interested foreign navies.[5]

However, six decommissioned Karel Doorman-class frigates were eventually bought by the Belgian, Chilean, and Portuguese navies, and the proceeds were subsequently invested in development of the Holland-class offshore patrol vessel.

Discover more about Design history related topics

Roofdier-class frigate

Roofdier-class frigate

The Roofdier class was a class of six frigates that were built in the United States as Patrol Craft Escorts (PCE) for the Netherlands. The frigates were loaned to the Royal Netherlands Navy as part of the Mutual Defense Assistance Act (MDAP) and from 1954 to 1984 served as the Roofdier-class frigates.

HNLMS Van Amstel (F831)

HNLMS Van Amstel (F831)

HNLMS Van Amstel (F831) is a ship of the Karel Doorman-class of multi-purpose frigates of the Royal Netherlands Navy. Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Captain Jan van Amstel.

HNLMS Abraham van der Hulst (F832)

HNLMS Abraham van der Hulst (F832)

HNLMS Abraham van der Hulst was a ship of the Karel Doorman-class of multi-purpose frigates of the Royal Netherlands Navy where it used the radio call sign was "PAMF". Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Admiral Abraham van der Hulst. She was sold to the Chilean Navy where the ship was renamed Almirante Blanco Encalada.

HNLMS Van Nes (F833)

HNLMS Van Nes (F833)

HNLMS Van Nes is a ship of the Karel Doorman class of multi-purpose frigates of the Royal Netherlands Navy where it used the radio call sign was "PAMI". Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Admiral Aert Jansse van Nes. She was sold to the Portuguese Navy where the ship was renamed Bartolomeu Dias.

HNLMS Van Galen (F834)

HNLMS Van Galen (F834)

HNLMS Van Galen (F834) is a ship of the Karel Doorman class of multi-purpose frigates of the Royal Netherlands Navy. Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after captain and convoy commander Johan van Galen and served from 1994 to 2008 with the Dutch navy. The radio call sign of the frigate was "PAMG".

HNLMS Van Speijk (F828)

HNLMS Van Speijk (F828)

HNLMS Van Speijk (F828) is the eighth and last ship in the Karel Doorman class of multi-purpose frigates, used by the Royal Netherlands Navy.

Holland-class offshore patrol vessel

Holland-class offshore patrol vessel

The Holland-class ocean-going patrol vessels are a class of four ocean-going patrol vessels constructed for the Royal Netherlands Navy. They are designed to fulfill patrol and intervention tasks against lightly armed opponents, such as pirates and smugglers, but have much higher level electronic and radar surveillance capabilities which are used for military stabilization and security roles, short of outright war. Without sonar or long range weapons, they utilize the surveillance capabilities of the Thales integrated mast, which integrates communication systems and two 4-faced phased arrays for air and surface search.

Armament

These multi-purpose frigates can be used in the anti-submarine, anti-aircraft, or surface combat roles. Their primary surface armament consists of two quad RGM-84 Harpoon anti-ship launchers with a range of up to 120 kilometres (75 mi). Also available is an OTO Melara 76 mm gun, which has both anti-ship and anti-air capabilities.

Air defence is provided by an AIM-7 Sparrow medium-range semi-active radar homing air-to-air missile with a range of up to 14 kilometres (8.7 mi) Sixteen VLS cells are mounted on the port external bulkhead of the hangar. The Goalkeeper close-in weapon system provides close-range air defence and can fire up to four thousand 30 millimetres (1.2 in) rounds per minute at a range of 200 to 3,000 metres (660 to 9,840 ft).

For anti submarine warfare, each ship is equipped with two twin torpedo launchers, firing Mark 46 torpedoes; and carries one Westland Lynx helicopter. The helicopter is also armed with 2 Mk 46 torpedoes, and carries dipping sonar and forward looking infrared systems.

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OTO Melara 76 mm

OTO Melara 76 mm

The OTO Melara 76 mm gun is a naval gun built and designed by the Italian defence company OTO Melara. It is based on the OTO Melara 76/62C and evolved toward 76/62 SR and 76/62 Strales.

AIM-7 Sparrow

AIM-7 Sparrow

The AIM-7 Sparrow is an American, medium-range semi-active radar homing air-to-air missile operated by the United States Air Force, United States Navy, and United States Marine Corps, as well as other various air forces and navies. Sparrow and its derivatives were the West's principal beyond visual range (BVR) air-to-air missile from the late 1950s until the 1990s. It remains in service, although it is being phased out in aviation applications in favor of the more advanced AIM-120 AMRAAM.

Goalkeeper CIWS

Goalkeeper CIWS

The Goalkeeper CIWS is a Dutch close-in weapon system (SEE-wiz) introduced in 1979. It is an autonomous and completely automatic weapon system for short-range defence of ships against highly manoeuvrable missiles, aircraft and fast-manoeuvering surface vessels. Once activated the system automatically undertakes the entire air defence process from surveillance and detection to destruction, including the selection of the next priority target.

Mark 46 torpedo

Mark 46 torpedo

The Mark 46 torpedo is the backbone of the United States Navy's lightweight anti-submarine warfare torpedo inventory and is the NATO standard. These aerial torpedoes are designed to attack high-performance submarines. In 1989, an improvement program for the Mod 5 to the Mod 5A and Mod 5A(S) increased its shallow-water performance. The Mark 46 was initially developed as Research Torpedo Concept I, one of several weapons recommended for implementation by Project Nobska, a 1956 summer study on submarine warfare.

Westland Lynx

Westland Lynx

The Westland Lynx is a British multi-purpose twin-engined military helicopter designed and built by Westland Helicopters at its factory in Yeovil. Originally intended as a utility craft for both civil and naval usage, military interest led to the development of both battlefield and naval variants. The Lynx went into operational usage in 1977 and was later adopted by the armed forces of over a dozen nations, primarily serving in the battlefield utility, anti-armour, search and rescue and anti-submarine warfare roles.

List of ships

Karel Doorman class construction data
Ship Pennant No. Named after Builder Laid down Launched Commissioned Decommissioned Fate
Karel Doorman F827 Karel Doorman Damen Schelde Naval Shipbuilding 26 February 1985 20 April 1988 31 May 1991 2006 Sold to Belgium
Willem van der Zaan F829 Willem van der Zaan 6 November 1985 21 January 1989 28 November 1991 25 August 2006 Sold to Belgium
Tjerk Hiddes F830 Tjerk Hiddes de Vries 28 October 1986 9 December 1989 26 February 1993 3 February 2006 Sold to Chile
Van Amstel F831 Jan van Amstel 3 May 1987 19 May 1990 27 May 1993 In active service
Abraham van der Hulst F832 Abraham van der Hulst 8 February 1989 7 September 1991 15 December 1993 2004 Sold to Chile
Van Nes F833 Aert Jansse van Nes 10 January 1990 16 May 1992 2 June 1994 20 December 2007 Sold to Portugal
Van Galen F834 Johan van Galen 7 June 1990 21 November 1992 1 December 1994 2009 Sold to Portugal
Van Speijk F828 Jan van Speyk 1 October 1991 26 March 1994 7 September 1995 Laid up as of summer 2021[6]

Discover more about List of ships related topics

Karel Doorman

Karel Doorman

Karel Willem Frederik Marie Doorman was a Dutch naval officer who during World War II commanded remnants of the short-lived American-British-Dutch-Australian Command naval strike forces in the Battle of the Java Sea. He was killed in action when his flagship HNLMS De Ruyter was torpedoed during the battle, having chosen to go down with the ship.

Damen Schelde Naval Shipbuilding

Damen Schelde Naval Shipbuilding

Damen Naval is a Dutch shipyard, and a continuation of the Koninklijke Maatschappij De Schelde, responsible for a number of ships used by the Royal Netherlands Navy. It is owned by the Damen Group. Damen Naval is situated in Vlissingen.

Tjerk Hiddes de Vries

Tjerk Hiddes de Vries

Tjerk Hiddes de Vries was a naval hero and Dutch admiral from the seventeenth century. The French, who could not pronounce his name, called him Kiërkides. His name was also given as Tsjerk, Tierck or Tjerck.

HNLMS Van Amstel (F831)

HNLMS Van Amstel (F831)

HNLMS Van Amstel (F831) is a ship of the Karel Doorman-class of multi-purpose frigates of the Royal Netherlands Navy. Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Captain Jan van Amstel.

HNLMS Abraham van der Hulst (F832)

HNLMS Abraham van der Hulst (F832)

HNLMS Abraham van der Hulst was a ship of the Karel Doorman-class of multi-purpose frigates of the Royal Netherlands Navy where it used the radio call sign was "PAMF". Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Admiral Abraham van der Hulst. She was sold to the Chilean Navy where the ship was renamed Almirante Blanco Encalada.

Abraham van der Hulst

Abraham van der Hulst

Abraham van der Hulst was a Dutch admiral in the 17th century.

HNLMS Van Nes (F833)

HNLMS Van Nes (F833)

HNLMS Van Nes is a ship of the Karel Doorman class of multi-purpose frigates of the Royal Netherlands Navy where it used the radio call sign was "PAMI". Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Admiral Aert Jansse van Nes. She was sold to the Portuguese Navy where the ship was renamed Bartolomeu Dias.

Aert Jansse van Nes

Aert Jansse van Nes

Aert Jansse van Nes was a 17th-century Dutch naval commander, notable for commanding the second squadron in the raid on the Medway in 1667.

HNLMS Van Galen (F834)

HNLMS Van Galen (F834)

HNLMS Van Galen (F834) is a ship of the Karel Doorman class of multi-purpose frigates of the Royal Netherlands Navy. Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after captain and convoy commander Johan van Galen and served from 1994 to 2008 with the Dutch navy. The radio call sign of the frigate was "PAMG".

Johan van Galen

Johan van Galen

Johan "Jan" van Galen was a Commodore of the Republic of the Seven United Provinces of the Netherlands. he participated in the First Anglo-Dutch War.

HNLMS Van Speijk (F828)

HNLMS Van Speijk (F828)

HNLMS Van Speijk (F828) is the eighth and last ship in the Karel Doorman class of multi-purpose frigates, used by the Royal Netherlands Navy.

Jan van Speyk

Jan van Speyk

Jan Carel Josephus van Speyk was a Dutch naval lieutenant commander with the United Netherlands Navy who became a hero in the Netherlands for his opposition to the Belgian Revolution.

Sale to foreign navies

Chile

In 2004 two ships, Tjerk Hiddes and Abraham van der Hulst were sold to Chile and renamed Almirante Riveros (FF-18) and Blanco Encalada (FF-15) respectively. Blanco Encalada commissioned into the Chilean Navy on 16 December 2005, with Almirante Riveros to be commissioned in April 2007.

Ship Pennant No. Named after Acquired Commissioned Decommissioned Status
Almirante Blanco Encalada FF-15 Manuel Blanco Encalada 2004 16 December 2005 In active service
Almirante Riveros FF-18 Galvarino Riveros Cárdenas 3 February 2006 April 2007 In active service

Belgium

On 20 July 2005, the Belgian government decided to buy two of the remaining six Dutch M-class frigates to replace the two remaining frigates of the Wielingen-class frigate currently in service with the Belgian Naval Component, which in turn might be sold to Bulgaria. On 21 December 2005, Karel Doorman and Willem van der Zaan were sold to Belgium and renamed Leopold I (F930) and Louise-Marie (F931) respectively. They were recommissioned between 2007 and 2008.

Ship Pennant No. Named after Acquired Commissioned Decommissioned Status
Leopold I F930 Leopold I of Belgium 22 December 2005 29 March 2007 In active service
Louise-Marie F931 Louise of Orléans 22 December 2005 8 April 2008 In active service

Portugal

In May 2006, Portugal's National Defense Minister, Luís Amado, showed interest in buying two Karel Doorman-class frigates to replace the two remaining frigates of the João Belo-class frigate in service with the Portuguese Navy — instead of buying two frigates of the Oliver Hazard Perry-class frigate, offered by the United States. A committee of the Portuguese government arrived in the Netherlands to evaluate the condition of two frigates to be bought.

On 1 November 2006, the Portuguese Defense Minister Nuno Severiano Teixeira signed a contract for the purchase of the frigates Van Nes and Van Galen. Van Nes, renamed NRP Bartolomeu Dias (F333), was transferred to Portugal on 16 January 2009 and Van Galen, renamed NRP Dom Francisco de Almeida (F334) was transferred on 15 January 2010. With the sale of two M-class frigates to Portugal only two of the eight ships remain with the Dutch Navy.[3]

Ship Pennant No. Named after Acquired Commissioned Decommissioned Status
Bartolomeu Dias F333 Bartolomeu Dias 1 November 2006 16 January 2009 In active service
Dom Francisco de Almeida F334 Francisco de Almeida 1 November 2006 15 January 2010 In active service

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Chilean Navy

Chilean Navy

The Chilean Navy is the naval warfare service branch of the Chilean Armed Forces. It is under the Ministry of National Defense. Its headquarters are at Edificio Armada de Chile, Valparaiso.

Chilean frigate Almirante Riveros (FF-18)

Chilean frigate Almirante Riveros (FF-18)

Almirante Riveros (FF-18) is a Karel Doorman-class frigate of the Chilean Navy. Built by the shipyard Koninklijke Schelde Groep in Vlissingen, the ship was previously in use by the Royal Netherlands Navy as HNLMS Tjerk Hiddes until 2006.

Galvarino Riveros Cárdenas

Galvarino Riveros Cárdenas

José Galvarino Riveros Cárdenas was a Chilean naval officer, Commander of the Chilean Squadron during the War of the Pacific.

Belgian frigate Louise-Marie (F931)

Belgian frigate Louise-Marie (F931)

Louise-Marie (F931) is a Karel Doorman-class frigate of the Marine Component of the Belgian Armed Forces that was commissioned in 2008. It is the second of the two frigates of this class that were purchased from the Royal Netherlands Navy on 22 December 2005. It was originally commissioned in 1991 in the Netherlands, where it served as HNLMS Willem van der Zaan (F829).

Bulgaria

Bulgaria

Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. Bulgaria covers a territory of 110,994 square kilometres (42,855 sq mi), and is the sixteenth-largest country in Europe. Sofia is the nation's capital and largest city; other major cities are Plovdiv, Varna and Burgas.

Belgian frigate Leopold I (F930)

Belgian frigate Leopold I (F930)

Leopold I (F930) is a Karel Doorman-class frigate of the Marine Component of the Belgian Armed Forces. Prior to 29 March 2007, the ship was known as HNLMS Karel Doorman (F827). It is one of the two frigates of this class purchased from the Royal Netherlands Navy on 22 December 2005.

Leopold I of Belgium

Leopold I of Belgium

Leopold I was the first king of the Belgians, reigning from 21 July 1831 until his death in 1865.

Louise of Orléans

Louise of Orléans

Louise of Orléans was the first Queen consort of the Belgians as the second wife of King Leopold I from their marriage on 9 August 1832 until her death in 1850. She was the second child and eldest daughter of the French king Louis Philippe I and his wife, Maria Amalia of the Two Sicilies. Louise rarely participated in public representation, but acted as the political adviser of her spouse. Her large correspondence is a valuable historical source of the period and has been published.

Bartolomeu Dias

Bartolomeu Dias

Bartolomeu Dias was a Portuguese mariner and explorer. In 1488, he became the first European navigator to round the southern tip of Africa and to demonstrate that the most effective southward route for ships lays in the open ocean, well to the west of the African coast. His discoveries effectively established the sea route between Europe and Asia.

Luís Amado

Luís Amado

Luís Filipe Marques Amado, GCC is a portuguese politician who served as Minister of Foreign Affairs from 2006 to 2011 in Portugal's XIII Government led by the Socialist Party. Before replacing Diogo Freitas do Amaral as Minister of Foreign Affairs, on 30 June 2006, Amado had served as Minister of Defence. On 30 June 2007, he succeeded to the EU Council Presidency on behalf of Portugal.

João Belo-class frigate

João Belo-class frigate

The João Belo class, also known as Comandante João Belo class, is a class of four frigates of French design, based on the Commandant Rivière class but fitted for tropical service. Ordered by the Portuguese Navy in 1964, the four ships of this class were constructed at the shipyard in Nantes, France between 1965 and 1967. The first ship entered Portuguese service in 1967. The frigates were used for ocean patrol of Portuguese colonies and later, joined NATO's STANAVFORLANT unit. The first unit was discarded in 2003, followed by a second in 2004. The final two ships were taken out of service in 2008 sold to the Uruguayan Navy. The third ship was discarded in 2021, with one ship remaining in service.

HNLMS Van Nes (F833)

HNLMS Van Nes (F833)

HNLMS Van Nes is a ship of the Karel Doorman class of multi-purpose frigates of the Royal Netherlands Navy where it used the radio call sign was "PAMI". Built by the shipyard Koninklijke Schelde Groep in Vlissingen. The ship is named after the Dutch Admiral Aert Jansse van Nes. She was sold to the Portuguese Navy where the ship was renamed Bartolomeu Dias.

Modernisation

The Royal Netherlands Navy and Belgian Navy decided to upgrade the four frigates by rebuilding both hangar and helicopter deck for the NH-90 as well to replace the forward mast for fitting the new Thales SeaWatcher 100 phased array surface search radar and Gatekeeper electro-optical surveillance system. The first ship to receive the upgrade was HNLMS Van Speijk (F828) in April 2012, next was BNS Leopold I (F930), followed by HNLMS Van Amstel (F831) and BNS Louise Marie (F931) is currently undergoing the modernization. SMART-S 3D search radars will not be replaced by SMART-S MK2.

Seawatcher 100 is a non-rotating active phased array radar for naval surface surveillance. The system automatically detects and tracks asymmetric threats and very small objects such as swimmers and periscopes in all weather conditions. Seastar can also be used for helicopter guidance. Seastar is internationally marketed as Sea Watcher 100

Gatekeeper is a 360-degree panoramic electro-optical surveillance and alerter system based on IR/TV technology. Designed to counter emerging asymmetric threats down to small boats and swimmers, Gatekeeper increases short-range situational awareness in littoral environments.

In 2018 the Portuguese Navy decided to modernize its two Karel Doorman-class frigates (Mid-life update), the first frigate started modernization in 2018 and was delivered in September 2021,[7] the second frigate started modernization in 2020 and was received in October 2022.[8]

Replacement

The two multipurpose M-frigates which are still in service with the Royal Netherlands Navy are reaching the end of their life; they were designed to last until 2018/2023. Because of this the Dutch Ministry of Defence started design studies in 2013. The new frigates are again planned to fulfill a general purpose role with anti-submarine warfare as its specialty. However, since the Netherlands Royal Navy only owns six frigates in total by 2017, the new ships have to be able to perform well in all areas of the spectrum. This means that anti-air equipment also has to be present, in the form of VLS (vertical launch)-cells carrying Standard Missile 2 or ESSM-projectiles. Due to budget cuts, the replacement program was delayed and is now projected to deliver the first ships in 2028–29.

First designs

In November 2013 on a techbase in Amsterdam a 3D-printed model of one of the designs was shown to the public. The ships were going to be, just like their predecessor, multipurpose-frigates with anti-submarine being the main task. This new class is going to have an integrated mast made by Thales Nederland; the ships of the Holland class did also get this type of mast. At first this new class was to be replacing the Karel Doorman-class vessels in 2020; however, Minister of Defence Jeanine Hennis-Plasschaert had changed this date to 2023.[9] This was subsequently further pushed back to the end of the decade.

By 2017, it was made clear the new 'Future Surface Combatant (Koninklijke Marine)' will be developed in cooperation with the Belgian Marine Component and at least four vessels are to be built (two for the Royal Dutch Navy and two for the Belgian Marine Component), with the possibility more will be ordered as soon as the acquisition procedure reaches a more definitive phase.

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Royal Netherlands Navy

Royal Netherlands Navy

The Royal Netherlands Navy is the naval force of the Kingdom of the Netherlands.

Ministry of Defence (Netherlands)

Ministry of Defence (Netherlands)

The Ministry of Defence is the Dutch Ministry responsible for the armed forces of the Netherlands and Veterans Affairs. The Ministry was created in 1813 as the "Ministry of War" and in 1928 was combined with the "Ministry of the Navy". After World War II in the ministries were separated again, in this period the Minister of War and Minister of the Navy were often the same person and the State secretary for the Navy was responsible for daily affairs of the Royal Dutch Navy. In 1959 the ministries were merged. The Ministry is headed by the Minister of Defence, currently Kajsa Ollongren, assisted by the Chief of the Defence of the Netherlands, Onno Eichelsheim since April 2021.

Thales Nederland

Thales Nederland

Thales Nederland B.V. is a subsidiary of the French multinational company Thales Group based in the Netherlands.

Holland-class offshore patrol vessel

Holland-class offshore patrol vessel

The Holland-class ocean-going patrol vessels are a class of four ocean-going patrol vessels constructed for the Royal Netherlands Navy. They are designed to fulfill patrol and intervention tasks against lightly armed opponents, such as pirates and smugglers, but have much higher level electronic and radar surveillance capabilities which are used for military stabilization and security roles, short of outright war. Without sonar or long range weapons, they utilize the surveillance capabilities of the Thales integrated mast, which integrates communication systems and two 4-faced phased arrays for air and surface search.

Jeanine Hennis-Plasschaert

Jeanine Hennis-Plasschaert

Jeanine Antoinette Hennis-Plasschaert is a Dutch politician and diplomat serving as Special Representative of the Secretary-General for the United Nations Assistance Mission for Iraq since 1 November 2018. She is a member of the People's Party for Freedom and Democracy (VVD).

Source: "Karel Doorman-class frigate", Wikipedia, Wikimedia Foundation, (2022, December 16th), https://en.wikipedia.org/wiki/Karel_Doorman-class_frigate.

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References
  1. ^ Karremann, J. (20 March 2018). "Karel Doormanklasse fregatten (M-gregatten)". Marineschepen.nl (in Dutch). Retrieved 20 March 2018.
  2. ^ "Hoeveel kost de Onderzeedienst?" (in Dutch). marineschepen.nl. 15 March 2013. Retrieved 18 March 2018.
  3. ^ a b "Multipurposefregat (M-fregat)" (in Dutch). defensie.nl. 3 May 2018. Retrieved 22 June 2018.
  4. ^ "Karel Doorman Class". www.naval-technology.com. Retrieved 22 June 2018.
  5. ^ Dr. G.A. Rommelse (2008). "Export M-fregatten, 1986-1994: De BV Nederland met vallen en opstaan" (in Dutch). www.militairespectator.nl. Retrieved 2018-06-22.
  6. ^ "DPG Media Privacy Gate".
  7. ^ "NRP Bartolomeu Dias (F333) MLU". Twitter. Retrieved 25 October 2021.{{cite web}}: CS1 maint: url-status (link)
  8. ^ "Fragata Bartolomeu Dias será modernizada na Holanda". Jornal da Economia do Mar. 27 April 2018. Retrieved 25 October 2019.
  9. ^ "Vervanger Nederlandse en Belgische M-fregatten". Marineschepen.nl.

Bibliography

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