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((Short description|Brazilian naval base))
((More citations needed|date=August 2021))
((Infobox military installation
| name = Rio de Janeiro Navy Arsenal
| ensign = Brasão do Arsenal de Marinha do Rio de Janeiro (AMRJ).png
| ensign_size = 50px
| native_name = ((lang|pt|Arsenal de Marinha do Rio de Janeiro|italic=yes)) 
| partof = <!-- for elements within a larger site -->
| location = [[Ilha das Cobras]], [[Rio de Janeiro (state)|Rio de Janeiro]] 
| country = Brazil 
| image = ArsenalMarinha.jpg
| alt = 
| caption = A view of the base with the city of Rio de Janeiro behind it.
| image2 = 
| alt2 = 
| caption2 = 
| type = Navy base
| coordinates = ((coord|22|53|47|S|43|10|27|W|region:BR|display=inline,title))
| gridref = 
| image_map = 
| image_mapsize = 
| image_map_alt = 
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| pushpin_map = Brazil 
| pushpin_mapsize = 
| pushpin_map_alt = 
| pushpin_map_caption = Location in Brazil 
| pushpin_relief = 
| pushpin_image = 
| pushpin_label = AMRJ
| pushpin_label_position = 
| pushpin_mark = 
| pushpin_marksize = 
| ownership = 
| operator = <!-- where different from ownership such as the RAF or the USAF -->
| controlledby = [[Brazilian Navy]]
| open_to_public = No
| site_other_label = <!-- for renaming "Other facilities" in infobox -->
| site_other = <!-- for other sorts of facilities – radar types etc -->  
| site_area = 
| code = 
| built = 
| used = ((End date|1763-present))
| builder = 
| materials = 
| height = <!-- height of tallest part, not above sea level -->
| length = <!-- for border fences or other DMZs -->
| fate = <!--changed from demolished parameter-->
| condition = 
| battles = 
| events = 
| current_commander = [[Counter admiral|Contra-Almirante]] José Luiz Rangel da Silva
| past_commanders = <!-- past notable commander(s) -->
| garrison = <!-- such as the 25th Bombardment Group -->
| occupants =
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| website = 
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)) 

The '''Arsenal de Marinha do Rio de Janeiro''' ('''AMRJ''') is a military organization of the [[Brazilian Navy]]. It is located in [[Ilha das Cobras]], at the [[Guanabara Bay]], in the city of [[Rio de Janeiro]].((sfn|Gardiner|Chumbley|Budzbon|1995|p=33)) The Arsenal is the main maintenance center and naval base of the Brazilian Navy, involving the design, construction and maintenance of ships and submarines, not only for the Brazilian Navy, but also friendly nations.

The AMRJ provides shipbuilding services both for military strategic reasons (mastery of technologies, seeking the reduction of external dependence), as economic ones, seeking nationalisation of components and the encouragement of domestic industry.

== History ==
The institution dates back to the installation of the Arsenal of Rio de Janeiro, at the foot of the hill of St. Benedict. Created on 29 December 1763, by the [[List of governors-general of Brazil|governor-general of Brazil]] António Álvares da Cunha, 1st Count da Cunha, with the purpose of repairing ships of the [[Portuguese Navy]]. At the time, the capital of the [[Colonial Brazil|colony]] was being transferred from [[Salvador, Bahia|Salvador]] to Rio de Janeiro, among other reasons, for a better protection of the [[gold]] that came from [[Minas Gerais]] by the [[Estrada Real|Royal Road]].

With the [[Transfer of the Portuguese court to Brazil|arrival of the Portuguese Royal Family]] in 1808, the Arsenal started to be designated as ''Arsenal Real da Marinha'' or simply as ''Arsenal da Corte''.<ref>((Cite book|title=1808 : como uma rainha louca, um príncipe medroso e uma corte corrupta enganaram Napoleão e mudaram a história de Portugal e do Brasil|author=Gomes, Laurentino|date=2007|publisher=Editora Planeta do Brasil|isbn=9788576653202|location=São Paulo|oclc=180190498))</ref> In 1820, its dependencies began to expand to the Ilha das Cobras. After the [[independence of Brazil]], faced with the need to organize and operate a Navy, the activities of the Arsenal became a priority. At this stage, it started to be called as ''Arsenal Imperial da Marinha'', better known as ''Arsenal de Marinha da Corte''.<ref>[http://mapa.an.gov.br/index.php/dicionario-periodo-colonial/417-arsenal-de-marinha-da-corte-1822-1890 Arsenal de Marinha da Corte] on mapa.an.gov.br, 29 Jun 2022</ref>

The nineteenth century watched the transition from sailing to steam navigation. During the so-called [[Irineu Evangelista de Souza|Mauá era]], vessels were built in the [[shipyard]] in [[Estabelecimento de Fundição e Estaleiros Ponta da Areia|Ponta d'Areia]], in [[Niterói]].<ref>((cite news|url=https://query.nytimes.com/gst/abstract.html?res=9D07E0DD163DE43BBC4A51DFBE66838A669FDE&scp=10&sq=San+Paulo&st=p|title=South America.; The Great Coffee Product of Brazil-- New-York Losing the Trade-- Brazilian Emancipation-- Railway Loans and Amazonian Navigation Contracts-- General News.|work=[[New York Times]]|date= 22 August 1871|access-date=2022-01-31))</ref> Later, with the outbreak of the [[Paraguayan War]], vessels for the [[Imperial Brazilian Navy]] were built in shipyards in [[England]] and in the AMRJ. At the end of the conflict, Brazil had the most powerful navy in the [[South Atlantic]].<ref>((Cite book|last=Ferreira|first=Domingos P. C. Branco|url=https://books.google.com/books?id=MUii7f4SlCAC&dq=after+paraguaian+war+Brazil+had+the+most+powerful+navy&pg=PA8|title=The Navy of Brazil: An Emerging Power at Sea|date=1983|publisher=National Defense University|language=en))</ref> In 1938 two Arsenals coexisted: the ''Arsenal de Marinha das Ilha das Cobras'' (AMIC) and the ''Arsenal de Marinha do Rio de Janeiro'' (AMRJ).<ref name="AMIC1998">((cite magazine |last1= |first1= |last2= |first2= |date=1 July 1998 |title=O Arsenal de Marinha da Ilha das Cobras - O AMIC |trans-title=The Marine Arsenal on Ilha das Cobras - The AMIC  |url=http://memoria.bn.br/DocReader/Hotpage/HotpageBN.aspx?bib=008567&pagfis=120192&url=http://memoria.bn.br/docreader# |format= |language=pt-br |magazine=Revista Marítma Brazileira |location=[[Rio de Janeiro (city)|Rio de Janeiro]] |publisher= |archive-url= |archive-date= |access-date=29 June 2022 |via=Biblioteca Nacional do Brasil |quote=))</ref> 

After 1948, only the Arsenal located in Ilha das Cobras survived, assuming the designation of ''Arsenal de Marinha do Rio de Janeiro''.<ref name="AMIC1998"/>

== Main achievements ==
Between the construction of surface units and submarines, and the activity of maintenance of the fleet are:
* 2005 - 2009 - two dockings and a revitalization program of the aircraft carrier ''[[Brazilian aircraft carrier São Paulo|São Paulo]]'';((Fact|date=August 2021))
* 2005 - 2006 - transport of the submarine ''[[Brazilian submarine Timbira (S-32)|Timbira]]'' from sea to workshop, using ferries and trucks ("load-in") and realization of its Programme of General Maintenance within a much lower time than the ones on ''[[Brazilian submarine Tupi (S-30)|Tupi]]'' and ''[[Brazilian submarine Tamoio (S-31)|Tamoio]]'s'' PMGs (General Modernisation Programs);
* 2005 - refurbishment of gearboxes of the frigate [[Brazilian frigate Constituição (F42)|''Constituição'']];
* 2003 - docking of the aircraft carrier ''São Paulo'';
* constructing the submarines ''Tamoio'', ''Timbira'', ''[[Brazilian submarine Tapajó (S-33)|Tapajó]]'' and [[Brazilian submarine Tikuna (S34)|''Tikuna'']] (''Tikuna''<nowiki/>'s construction time was reduced in 11 months, recovering part of the delay, due to budget constraints);
* construction of the [[Niteroi class frigate|Niterói Class]] [[frigates]]: ''[[Brazilian frigate Independência (F-44)|Independência]]'' and ''[[Brazilian frigate União (F-45)|União]]'';
* construction of the [[Inhaúma class corvette|Inhaúma Class]] [[corvette]]s: ''[[Brazilian corvette Inhaúma (V-30)|Inhaúma]]'' and ''[[Brazilian corvette Jaceguai (V-31)|Jaceguai]]'';((sfn|Saunders|2009|p=76))
* Modernization Programme (ModFrag) of all Niterói class frigates.
* large repairs in Argentine submarine [[ARA Santa Cruz (S-41)|ARA ''Santa Cruz'']], including cutting the hull.<ref name="militarytoday">((Cite web |url=http://www.military-today.com/navy/santa_cruz_class.htm |title=Santa Cruz class Patrol submarine |access-date=2022-06-29 |archive-url=https://web.archive.org/web/20081014135941/http://www.military-today.com/navy/santa_cruz_class.htm |archive-date=2008-10-14 |url-status=live ))</ref>

The AMRJ was honored by the [[Pan American Institute of Naval Engineering]] for its "contribution to the development of the Naval Engineering in the America", in 2002–2003, during the meeting in [[Havana]], [[Cuba]]. The achievement was repeated in 2004–2005, during the meeting in [[Guayaquil]], [[Ecuador]].

== Ships built in AMRJ ==
* The first ship built on the Arsenal was the ''D. Sebastião'', finished in 1767.
* The oldest in operation: monitor [[Brazilian monitor Parnaíba (U17)|''Parnaíba'']], finished in 1937.

== See also ==
* [[List of ships of the Brazilian Navy]]
* [[Brazilian Marine Corps]]
* [[Brazilian Naval Aviation]]

==Citations==
((reflist))

==References==
* ((cite book |editor-last=Gardiner |editor-first=Robert |editor-last2=Chumbley |editor-first2=Stephen |editor-last3=Budzbon |editor-first3=Przemysław |name-list-style=amp |year=1995 |title=Conway's All the World's Fighting Ships 1947–1995 |publisher=Naval Institute Press |location=Annapolis, Maryland |isbn=1-55750-132-7 ))
* ((cite book |editor-last=Saunders |editor-first=Stephen |year=2009 |title=Jane's Fighting Ships 2009–2010 |publisher=Jane's Information Group Inc. |edition=112 |location=Alexandria, Virginia |isbn=978-0-7106-2888-6 ))

== External links ==
* [https://www.mar.mil.br/amrj/ Official website] ((Webarchive|url=https://web.archive.org/web/20180619060755/http://www.mar.mil.br/amrj |date=2018-06-19 ))
* [http://www.alide.com.br/joomla/brasilmilitar/basededados/navios Base Militar Web Magazine - Databank of Brazilian Navy Warships]
* [http://www.naval.com.br/blog/?s=Arsenal+de+Marinha+do+Rio+de+Janeiro#axzz1ijON0Z5N Poder Naval OnLine - Everything about naval forces in the world.]
* [https://web.archive.org/web/20120328052944/http://www.defesabr.com/MB/mb_amrj_historia.htm AMRJ history]
* [https://web.archive.org/web/20120116174740/http://www.mar.mil.br/menu_h/navios/menu_navios_mb.htm Brazilian Warships - All the warships and classes used by the Brazilian Navy]
* [http://openstreetmap.org/?lat=-22.89592&lon=-43.17168&zoom=17&layers=B000FTF Map of the facilities] on the [[OpenStreetMap]]((dead link|date=October 2016 |bot=InternetArchiveBot |fix-attempted=yes ))

((DEFAULTSORT:Arsenal Marinha Rio Janeiro))
[[Category:Brazilian Navy]]
[[Category:Defence companies of Brazil]]
[[Category:Military installations of Brazil]]
[[Category:Guanabara Bay]]
[[Category:Buildings and structures in Rio de Janeiro (city)]]
[[Category:Manufacturing companies based in Rio de Janeiro (city)]]
[[Category:Shipbuilding companies of Brazil]]
[[Category:Arsenals]]
[[Category:Military history of Rio de Janeiro (city)]]

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