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Corvette

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Anti-submarine-warfare corvette INS Kamorta of the Indian Navy
Anti-submarine-warfare corvette INS Kamorta of the Indian Navy

A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or "rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the sloop-of-war.

The modern roles that a corvette fulfills include coastal patrol craft, missile boat and fast attack craft. These corvettes are typically between 500 and 2,000 tons. Recent designs of corvettes may approach 3,000 tons and include a hangar to accommodate a helicopter, having size and capabilities that overlap with smaller frigates. However unlike contemporary frigates, a modern corvette does not have sufficient endurance nor seaworthiness for long voyages.

The word "corvette" is first found in Middle French, a diminutive of the Dutch word corf, meaning a "basket", from the Latin corbis.[1]

The rank "corvette captain", equivalent in many navies to "lieutenant commander", derives from the name of this type of ship. The rank is the most junior of three "captain" ranks in several European (e.g., France, Spain, Italy, Croatia) and South American (e.g., Argentina, Chile, Brazil, Colombia) navies, because a corvette, as the smallest class of rated warship, was traditionally the smallest class of vessel entitled to a commander of a "captain" rank.

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Warship

Warship

A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are typically faster and more maneuverable than merchant ships. Unlike a merchant ship, which carries cargo, a warship typically carries only weapons, ammunition and supplies for its crew. Warships usually belong to a navy, though they have also been operated by individuals, cooperatives and corporations.

Rating system of the Royal Navy

Rating system of the Royal Navy

The rating system of the Royal Navy and its predecessors was used by the Royal Navy between the beginning of the 17th century and the middle of the 19th century to categorise sailing warships, initially classing them according to their assigned complement of men, and later according to the number of their carriage-mounted guns. The rating system of the Royal Navy formally came to an end in the late 19th century by declaration of the Admiralty. The main cause behind this declaration focused on new types of gun, the introduction of steam propulsion and the use of iron and steel armour which made rating ships by the number of guns obsolete.

Frigate

Frigate

A frigate is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat.

Sloop-of-war

Sloop-of-war

In the 18th century and most of the 19th, a sloop-of-war in the Royal Navy was a warship with a single gun deck that carried up to eighteen guns. The rating system covered all vessels with 20 guns and above; thus, the term sloop-of-war encompassed all the unrated combat vessels, including the very small gun-brigs and cutters. In technical terms, even the more specialised bomb vessels and fireships were classed as sloops-of-war, and in practice these were employed in the sloop role when not carrying out their specialised functions.

Missile boat

Missile boat

A missile boat or missile cutter is a small, fast warship armed with anti-ship missiles. Being smaller than other warships such as destroyers and frigates, missile boats are popular with nations interested in forming a navy at lower cost. They are similar in concept to the torpedo boats of World War II; in fact, the first missile boats were modified torpedo boats with the torpedo tubes replaced by missile tubes.

Fast attack craft

Fast attack craft

A fast attack craft (FAC) is a small, fast, agile, offensive, often affordable warship armed with anti-ship missiles, gun or torpedoes. FACs are usually operated in close proximity to land as they lack both the seakeeping and all-round defensive capabilities to survive in blue water. The size of the vessel also limits the fuel, stores and water supplies. In size they are usually between 50–800 tonnes and can reach speeds of 25–50 knots (46–93 km/h).

Hangar

Hangar

A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word hangar comes from Middle French hanghart, of Germanic origin, from Frankish *haimgard, from *haim and gard ("yard"). The term, gard, comes from the Old Norse garðr.

Middle French

Middle French

Middle French is a historical division of the French language that covers the period from the 14th to the 16th century. It is a period of transition during which:the French language became clearly distinguished from the other competing Oïl languages, which are sometimes subsumed within the concept of Old French the French language was imposed as the official language of the Kingdom of France in place of Latin and other Oïl and Occitan languages the literary development of French prepared the vocabulary and grammar for the Classical French spoken in the 17th and 18th centuries.

Dutch language

Dutch language

Dutch is a West Germanic language spoken by about 25 million people as a first language and 5 million as a second language. It is the third most widely spoken Germanic language, after its close relatives German and English. Afrikaans is a separate but somewhat mutually intelligible daughter language spoken, to some degree, by at least 16 million people, mainly in South Africa and Namibia, evolving from the Cape Dutch dialects of Southern Africa. The dialects used in Belgium and in Suriname, meanwhile, are all guided by the Dutch Language Union.

Corvette captain

Corvette captain

Corvette captain is a rank in many navies which theoretically corresponds to command of a corvette. The equivalent rank in the United Kingdom, Commonwealth, and United States is lieutenant commander. The Royal Canadian Navy uses bilingual ranks, with capitaine de corvette being the French equivalent of lieutenant commander.

Lieutenant commander

Lieutenant commander

Lieutenant commander is a commissioned officer rank in many navies. The rank is superior to a lieutenant and subordinate to a commander. The corresponding rank in most armies and air forces is major, and in the Royal Air Force and other Commonwealth air forces is squadron leader.

Sailing vessels

A corvette in the Trianon model collection.
A corvette in the Trianon model collection.

During the Age of Sail, corvettes were one of many types of warships smaller than a frigate and with a single deck of guns.[2] They were very closely related to sloops-of-war. The role of the corvette consisted mostly of coastal patrol, fighting minor wars, supporting large fleets, or participating in show-the-flag missions. The English Navy began using small ships in the 1650s, but described them as sloops rather than corvettes. The first reference to a corvette was with the French Navy in the 1670s, which may be where the term originated. The French Navy's corvettes grew over the decades and by the 1780s they were ships of 20 guns or so, approximately equivalent to the British Navy's post ships. The British Navy did not adopt the term until the 1830s, long after the Napoleonic Wars, to describe a small sixth-rate vessel somewhat larger than a sloop.

The last vessel lost by France during the American Revolutionary War was the corvette Le Dragon, scuttled by her captain to avoid capture off Monte Cristi, Haïti in January 1783.[3]

Most corvettes and sloops of the 17th century were 12 to 18 m (40 to 60 ft) in length and measured 40 to 70 tons burthen. They carried four to eight smaller guns on single decks. Over time, vessels of increasing size and capability were called "corvettes"; by 1800, they reached lengths of over 30 m (100 ft) and measured from 400 to 600 tons burthen.

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Trianon model collection

Trianon model collection

The Trianon model collection is a set of high-quality ship models ordered by Napoléon for documentary purposes.

Age of Sail

Age of Sail

The Age of Sail is a period that lasted at the latest from the mid-16th to the mid-19th centuries, in which the dominance of sailing ships in global trade and warfare culminated, particularly marked by the introduction of naval artillery, and ultimately reached its highest extent at the advent of the analogue Age of Steam. Enabled by the advances of the related Age of Navigation, it is identified as a distinctive element of the early modern period and the Age of Discovery. Especially in context of the latter, it refers to a more particular Eurocentric Age of Sail, while generally the Age of Sail is the culminating period of a long intercontinental history of sailing.

Sloop-of-war

Sloop-of-war

In the 18th century and most of the 19th, a sloop-of-war in the Royal Navy was a warship with a single gun deck that carried up to eighteen guns. The rating system covered all vessels with 20 guns and above; thus, the term sloop-of-war encompassed all the unrated combat vessels, including the very small gun-brigs and cutters. In technical terms, even the more specialised bomb vessels and fireships were classed as sloops-of-war, and in practice these were employed in the sloop role when not carrying out their specialised functions.

French Navy

French Navy

The French Navy, informally La Royale, is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in the world, ranking seventh in combined fleet tonnage and fifth in number of naval vessels. The French Navy is one of eight naval forces currently operating fixed-wing aircraft carriers, with its flagship Charles de Gaulle being the only nuclear-powered aircraft carrier outside the United States Navy, and one of two non-American vessels to use catapults to launch aircraft.

Royal Navy

Royal Navy

The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against France. The modern Royal Navy traces its origins to the early 16th century; the oldest of the UK's armed services, it is consequently known as the Senior Service.

Post ship

Post ship

Post ship was a designation used in the Royal Navy during the second half of the 18th century and the Napoleonic Wars to describe a ship of the sixth rate that was smaller than a frigate, but by virtue of being a rated ship, had to have as its captain a post captain rather than a lieutenant or commander. Thus ships with 20 to 26 guns were post ships, though this situation changed after 1817.

Napoleonic Wars

Napoleonic Wars

The Napoleonic Wars (1803–1815) were a series of conflicts fought between the First French Empire under Napoleon (1804–1815), and a fluctuating array of European coalitions. The wars originated in political forces arising from the French Revolution (1789–1799) and from the French Revolutionary Wars (1792–1802), and produced a period of French domination of Continental Europe. There were seven Napoleonic Wars, five named after the coalitions that fought Napoleon, plus two named for their respective theatres: (i) the War of the Third Coalition (1803–1806), (ii) the War of the Fourth Coalition (1806–1807), (iii) the War of the Fifth Coalition (1809), (iv) the War of the Sixth Coalition (1813–1814), (v) the War of the Seventh Coalition (1815), (vi) the Peninsular War (1807–1814), and (vii) the French invasion of Russia (1812).

Sixth-rate

Sixth-rate

In the rating system of the Royal Navy used to categorise sailing warships, a sixth-rate was the designation for small warships mounting between 20 and 28 carriage-mounted guns on a single deck, sometimes with smaller guns on the upper works and sometimes without. It thus encompassed ships with up to 30 guns in all. In the first half of the 18th century the main battery guns were 6-pounders, but by mid-century these were supplanted by 9-pounders. 28-gun sixth rates were classed as frigates, those smaller as 'post ships', indicating that they were still commanded by a full ('post') captain, as opposed to sloops of 18 guns and less under commanders.

Kingdom of France

Kingdom of France

The Kingdom of France is the historiographical name or umbrella term given to various political entities of France in the medieval and early modern period. It was one of the most powerful states in Europe since the High Middle Ages. It was also an early colonial power, with possessions around the world.

American Revolutionary War

American Revolutionary War

The American Revolutionary War, also known as the Revolutionary War or American War of Independence, was the military conflict of the American Revolution in which American Patriot forces under George Washington's command defeated the British, establishing and securing the independence of the United States. Fighting began on April 19, 1775, at the Battles of Lexington and Concord. The war was formalized and intensified following passage of the Lee Resolution on July 2, 1776, which asserted that the Thirteen Colonies were "free and independent states", and the Declaration of Independence, drafted by the Committee of Five and written primarily by Thomas Jefferson, two days later, on July 4, 1776, by the Second Continental Congress in Philadelphia.

Monte Cristi Province

Monte Cristi Province

Monte Cristi is a province in the northwest of the Dominican Republic. The capital city is San Fernando de Monte Cristi. The spelling Montecristi is also seen. The Montecristi province is located in the Cibao frontier region, on the north coast of the country and borders the nation of Haiti. The land area of the Montecristi province is 1,924.35 km2. It is divided into six municipalities and four municipal districts.

Builder's Old Measurement

Builder's Old Measurement

Builder's Old Measurement is the method used in England from approximately 1650 to 1849 for calculating the cargo capacity of a ship. It is a volumetric measurement of cubic capacity. It estimated the tonnage of a ship based on length and maximum beam. It is expressed in "tons burden", and abbreviated "tons bm".

Steam ships

French steam corvette Dupleix (1856–1887)
French steam corvette Dupleix (1856–1887)

Ships during the steam era became much faster and more maneuverable than their sail ancestors. Corvettes during this era were typically used alongside gunboats during colonial missions. Battleships and other large vessels were unnecessary when fighting the indigenous people of the Far East and Africa.

World War II

The modern corvette appeared during World War II as an easily-built patrol and convoy escort vessel.[2] The British naval designer William Reed drew up a small ship based on the single-shaft Smiths Dock Company whale catcher Southern Pride, whose simple design and mercantile construction standards lent itself to rapid production in large numbers in small yards unused to naval work. First Lord of the Admiralty Winston Churchill, later Prime Minister, had a hand in reviving the name "corvette".

During the arms buildup leading to World War II, the term "corvette" was almost attached to the Tribal-class destroyer. The Tribals were so much larger than and sufficiently different from other British destroyers that some consideration was given to resurrecting the classification of "corvette" and applying it to them.

This idea was dropped, and the term applied to small, mass-produced antisubmarine escorts such as the Flower class of World War II. (Royal Navy ships were named after flowers, and ships in Royal Canadian Navy service took the name of smaller Canadian cities and towns.) Their chief duty was to protect convoys throughout the Battle of the Atlantic and on the routes from the UK to Murmansk carrying supplies to the Soviet Union.

The Flower-class corvette was originally designed for offshore patrol work, and was not ideal when pressed into service as an antisubmarine escort. It was shorter than ideal for oceangoing convoy escort work, too lightly armed for antiaircraft defense, and the ships were barely faster than the merchantmen they escorted. This was a particular problem given the faster German U-boat designs then emerging. Nonetheless, the ship was quite seaworthy and maneuverable, but living conditions for ocean voyages were challenging. As a result of these shortcomings, the corvette was superseded in the Royal Navy as the escort ship of choice by the frigate, which was larger, faster, better armed, and had two shafts. However, many small yards could not produce vessels of frigate size, so an improved corvette design, the Castle class, was introduced later in the war, with some remaining in service until the mid-1950s.

The Royal Australian Navy built 60 Bathurst-class corvettes, including 20 for the Royal Navy crewed by Australians, and four for the Indian Navy. These were officially described as Australian minesweepers, or as minesweeping sloops by the Royal Navy, and were named after Australian towns.

The Bird-class minesweepers or trawlers were referred to as corvettes in the Royal New Zealand Navy, and two, Kiwi and Moa, rammed and sank a much larger Japanese submarine, I-1, in 1943 in the Solomon Islands.

In Italy, the Regia Marina, in dire need of escort vessels for its convoys, designed the Gabbiano-class corvette, of which 29 were built between 1942 and 1943 (out of 60 planned); they proved apt at operations in the Mediterranean Sea, especially in regards to their anti-air and anti-submarine capability, and were so successful that the class survived after the war into the Marina Militare Italiana until 1972.

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Convoy

Convoy

A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used in a non-military sense, for example when driving through remote areas.

Southern Pride

Southern Pride

Southern Pride was a steam-powered whaler built by the Smiths Dock Company of Middlesbrough in 1936. She was the initial design inspiration for the Flower-class corvettes used to escort convoys in the North Atlantic in World War II. The final design for the Flower class was significantly modified from that of Southern Pride factoring in things like ease of construction.

First Lord of the Admiralty

First Lord of the Admiralty

The First Lord of the Admiralty, or formally the Office of the First Lord of the Admiralty, was the political head of the English and later British Royal Navy. He was the government's senior adviser on all naval affairs, responsible for the direction and control of the Admiralty, and also of general administration of the Naval Service of the Kingdom of England, Great Britain in the 18th century, and then the United Kingdom, including the Royal Navy, the Royal Marines, and other services. It was one of the earliest known permanent government posts. Apart from being the political head of the Naval Service the post holder was simultaneously the pre-eminent member of the Board of Admiralty. The office of First Lord of the Admiralty existed from 1628 until it was abolished when the Admiralty, Air Ministry, Ministry of Defence and War Office were all merged to form the new Ministry of Defence in 1964. Its modern-day equivalent is the Secretary of State for Defence.

Tribal-class destroyer (1936)

Tribal-class destroyer (1936)

The Tribal class, or Afridi class, were a class of destroyers built for the Royal Navy, Royal Canadian Navy and Royal Australian Navy that saw service in World War II. Originally conceived during design studies for a light fleet cruiser, the Tribals evolved into fast, powerful destroyers, with greater emphasis on guns over torpedoes than previous destroyers, in response to new designs by Japan, Italy, and Germany. The Tribals were well admired by their crews and the public when they were in service due to their power, often becoming symbols of prestige while in service.

Destroyer

Destroyer

In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy, or battle group and defend them against powerful short-range attackers. They were originally developed in 1885 by Fernando Villaamil for the Spanish Navy as a defense against torpedo boats, and by the time of the Russo-Japanese War in 1904, these "torpedo boat destroyers" (TBDs) were "large, swift, and powerfully armed torpedo boats designed to destroy other torpedo boats". Although the term "destroyer" had been used interchangeably with "TBD" and "torpedo boat destroyer" by navies since 1892, the term "torpedo boat destroyer" had been generally shortened to simply "destroyer" by nearly all navies by the First World War.

HMCS Regina (K234)

HMCS Regina (K234)

HMCS Regina was a Royal Canadian Navy revised Flower-class corvette which took part in convoy escort duties during the Second World War. She fought primarily in the Battle of the Atlantic. She was named for Regina, Saskatchewan.

Flower-class corvette

Flower-class corvette

The Flower-class corvette was a British class of 294 corvettes used during World War II by the Allied navies particularly as anti-submarine convoy escorts in the Battle of the Atlantic. Royal Navy ships of this class were named after flowers.

Flower

Flower

A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. Flowers produce gametophytes, which in flowering plants consist of a few haploid cells which produce gametes. The "male" gametophyte, which produces non-motile sperm, is enclosed within pollen grains; the "female" gametophyte is contained within the ovule. When pollen from the anther of a flower is deposited on the stigma, this is called pollination. Some flowers may self-pollinate, producing seed using pollen from the same flower or a different flower of the same plant, but others have mechanisms to prevent self-pollination and rely on cross-pollination, when pollen is transferred from the anther of one flower to the stigma of another flower on a different individual of the same species.

Royal Canadian Navy

Royal Canadian Navy

The Royal Canadian Navy is the naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack submarines, 12 coastal defence vessels, eight patrol class training vessels, two offshore patrol vessels, and several auxiliary vessels. The RCN consists of 8,570 Regular Force and 5,100 Primary Reserve sailors, supported by 3,800 civilians. Vice-Admiral Angus Topshee is the current commander of the Royal Canadian Navy and chief of the Naval Staff.

Battle of the Atlantic

Battle of the Atlantic

The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering a major part of the naval history of World War II. At its core was the Allied naval blockade of Germany, announced the day after the declaration of war, and Germany's subsequent counter-blockade. The campaign peaked from mid-1940 through to the end of 1943.

Murmansk

Murmansk

Murmansk is a port city and the administrative center of Murmansk Oblast in the far northwest part of Russia. It sits on both slopes and banks of a modest ria or fjord, Kola Bay, an estuarine inlet of the Barents Sea. Its bulk is on the east bank of the inlet. It is in the north of the rounded Kola Peninsula which covers most of the oblast. The city is 108 kilometres (67 mi) from the border with Norway and 182 kilometres (113 mi) from the border with Finland.

Nazi Germany

Nazi Germany

Nazi Germany was the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a dictatorship. Under Hitler's rule, Germany quickly became a totalitarian state where nearly all aspects of life were controlled by the government. The Third Reich, meaning "Third Realm" or "Third Empire", alluded to the Nazi claim that Nazi Germany was the successor to the earlier Holy Roman Empire (800–1806) and German Empire (1871–1918). The Third Reich, which Hitler and the Nazis referred to as the Thousand-Year Reich, ended in May 1945 after 12 years when the Allies defeated Germany, ending World War II in Europe.

Modern corvettes

Modern navies began a trend in the late 20th and early 21st centuries of building corvettes geared towards smaller more manoeuvrable surface capability. These corvettes have displacements between 550 and 3,310 short tons (500 and 3,000 t) and measure 55–128 m (180–420 ft) in length. They are usually armed with medium- and small-calibre guns, surface-to-surface missiles, surface-to-air missiles (SAM), and anti-submarine weapons. Many can accommodate a small or medium anti-submarine warfare helicopter, with the larger ones also having a hangar. While the size and capabilities of the largest corvettes overlap with smaller frigates, corvettes are designed primarily for littoral deployment while frigates are ocean-going vessels by virtue of their greater endurance and seaworthiness.

Most countries with coastlines can build corvette-sized ships, either as part of their commercial shipbuilding activities or in purpose-built yards, but the sensors, weapons, and other systems required for a surface combatant are more specialized and are around 60% of the total cost. These components are purchased on the international market.[4]

Current corvette classes

Many countries today operate corvettes. Countries that border smaller seas, such as the Baltic Sea or the Persian Gulf, are more likely to build the smaller and more manoeuvrable corvettes, with Russia operating the most corvettes in the world.

Argentine MEKO Espora-class corvette
Argentine MEKO Espora-class corvette
A Swedish Visby-class stealth corvette
A Swedish Visby-class stealth corvette

In the 1960s, the Portuguese Navy designed the João Coutinho-class corvettes as multi-role small frigates intended to be affordable for a small navy. The João Coutinho class soon inspired a series of similar projects – including the Spanish Descubierta, the German MEKO 140, the French A69 and the Portuguese Baptista de Andrade – adopted by a number of medium- and small-sized navies.

The first operational corvette based on stealth technology was the Royal Norwegian Navy's Skjold class. The Swedish Navy introduced the similarly stealthy Visby class.

The United States is developing littoral combat ships, which are essentially large corvettes, their spacious hulls permitting space for mission modules, allowing them to undertake tasks formerly assigned to specialist classes such as minesweepers or the anti-submarine Oliver Hazard Perry-class frigate.

The Israeli Navy operates three Sa'ar 5-class corvettes. Built in the U.S. to an Israeli design, they each carry one helicopter and are well-armed with offensive and defensive weapons systems, including the Barak 8 SAM, and advanced electronic sensors and countermeasures. They displace over 1,200 tons at full load.

The Indian Navy operates four Kamorta-class corvettes built by Garden Reach Shipbuilders and Engineers. All of them were in service by 2017.

The new German Navy Braunschweig class is designed to replace Germany's fast attack craft and also incorporates stealth technology and land attack capabilities. The Israeli Navy has ordered four Sa'ar 6-class corvettes, a more heavily armed version of the type, deliveries commenced in 2019.

Turkey began to build MİLGEM-class corvettes in 2005. The MİLGEM class is designed for anti-submarine warfare and littoral patrol duty. The lead ship, TCG Heybeliada, entered navy service in 2011. The design concept and mission profile of the MİLGEM class is similar to the Freedom class of littoral combat ships of the United States.

Finland has plans to build four multi-role corvettes, currently dubbed the Pohjanmaa class, in the 2020s as part of its navy's Project Squadron 2020. The corvettes will have helicopter carrying, mine laying, ice breaking, anti-aircraft and anti-ship abilities. They will be over 100 metres (330 ft) long and cost a total of 1.2 billion euros.

The Greek Navy has categorised the class as fast attack missile craft. A similar vessel is the Kılıç-class fast attack missile craft of the Turkish Navy, which is classified as a corvette by Lürssen Werft, the German ship designer.

In 2004, to replace the Ardhana class patrol boat, the United Arab Emirates Ministry of Defence awarded a contract to Abu Dhabi Ship Building for the Baynunah class of corvettes. This class is based on the CMN Group's Combattante BR70 design. The Baynunah class is designed for patrol and surveillance, minelaying, interception and other anti-surface warfare operations in the United Arab Emirates territorial waters and exclusive economic zone. The lead ship was launched on June 25, 2009. Sea trials commenced in January 2010.

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Anti-submarine warfare

Anti-submarine warfare

Anti-submarine warfare is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typically carried out to protect friendly shipping and coastal facilities from submarine attacks and to overcome blockades.

Hangar

Hangar

A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word hangar comes from Middle French hanghart, of Germanic origin, from Frankish *haimgard, from *haim and gard ("yard"). The term, gard, comes from the Old Norse garðr.

Buyan-class corvette

Buyan-class corvette

The Buyan class, Russian designations Project 21630 Buyan and Project 21631 Buyan-M, are series of corvettes developed by Zelenodolsk Design Bureau for the Russian Navy. Since 2010, all subsequent vessels are being constructed as improved Project 21631 subclass, incorporating greater tonnage, stealth technology and the 3S14 vertical launching system for either Kalibr or Oniks anti-ship cruise missiles, significantly enhancing combat capabilities. The ships are primarily designed for operations within littoral zones to protect Russia's vast coastal areas. Due to the small tonnage, they can operate even within shallow parts of oceans and seas and Russia's extensive inland waterway system. The export variant is known as Project 21632 Tornado.

Baltic Sea

Baltic Sea

The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain.

List of countries by level of military equipment

List of countries by level of military equipment

This is a list of countries by level of military equipment, including naval ships, fighter aircraft and nuclear weapons. This list is indicative only, as strict comparisons cannot accurately be made.

Espora-class corvette

Espora-class corvette

The Espora-class corvettes are six warships of the Argentine Navy built in Argentina to the German MEKO 140A16 design, this in turn being based on the Portuguese João Coutinho-class project. The first entered service in 1985 but accidents and lack of funds meant the last was not completed until 2004. The ships currently form the 2nd Corvette Division of the Argentine Navy and their home port is the Puerto Belgrano Naval Base. Although considered by its designers to be frigates, the Espora-class vessels have been classed in Argentina as corvettes.

Braunschweig-class corvette

Braunschweig-class corvette

The K130 Braunschweig class is Germany's newest class of ocean-going corvettes. Five ships have replaced the Gepard-class fast attack craft of the German Navy.

German Navy

German Navy

The German Navy is the navy of Germany and part of the unified Bundeswehr, the German Armed Forces. The German Navy was originally known as the Bundesmarine from 1956 to 1995, when Deutsche Marine became the official name with respect to the 1990 incorporation of the East German Volksmarine. It is deeply integrated into the NATO alliance. Its primary mission is protection of Germany's territorial waters and maritime infrastructure as well as sea lines of communication. Apart from this, the German Navy participates in peacekeeping operations, and renders humanitarian assistance and disaster relief. It also participates in anti-piracy operations.

João Coutinho-class corvette

João Coutinho-class corvette

The João Coutinho-class corvettes were a series of warships built for the Portuguese Navy for service in Portugal's African and Indian colonies. Initially rated as frigates, they were downgraded first to corvettes and then patrol vessels with age. They were designed in Portugal by naval engineer Rogério de Oliveira, but the urgent need of their services in the Portuguese Colonial War meant that the construction of the ships was assigned to foreign shipyards. Six ships were built; the first three ships were built by Blohm & Voss and the remaining three by Empresa Nacional Bazán. The ships were launched in 1970 and 1971. The relative cheap cost of the design led to it being the basis of several other classes in other navies. From 1970 until the end of the conflict in 1975, the corvettes were used for patrol and fire-support missions in Angola, Mozambique, Guinea and Cape Verde. After the African colonies gained their independence, the corvettes were assigned to patrol duties in Portuguese territorial waters.

Descubierta-class corvette

Descubierta-class corvette

The Descubierta-class corvettes were a series of corvettes built for the Spanish Navy in the late 1970s and early 1980s. These ships were also sold to the Egyptian Navy and the Moroccan Navy. The ships were designed in cooperation with the German company Blohm & Voss, based on the João Coutinho-class corvettes which were designed in the late 1960s for the Portuguese Navy, by the Portuguese naval engineer Rogério de Oliveira. A larger version was proposed for a second batch but the Spanish Navy chose to build the American Oliver Hazard Perry-class frigates under licence instead.

D'Estienne d'Orves-class aviso

D'Estienne d'Orves-class aviso

The D'Estienne d'Orves-class avisos, also known as the A69 type avisos, is a class of avisos, comparable in size to a light corvette, mainly designed for coastal anti-submarine defence, but are also available for high sea escort missions. Built on a simple and robust design, they have an economical and reliable propulsion system which allows them to be used for overseas presence missions. They were initially intended for use by the French Navy, but have been ordered by the South African Navy, Argentinian Navy and Turkish Navy.

Baptista de Andrade-class corvette

Baptista de Andrade-class corvette

The Baptista de Andrade class were a class of four Portuguese designed corvettes, built for the Portuguese Navy by BAZAN in Spain in the 1970s. They are an updated version of the João Coutinho class - designed by the Portuguese naval engineer Rogério de Oliveira - with more modern armament and sensors.

Operators

Former operators

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Algerian National Navy

Algerian National Navy

The Algerian Naval Force is the naval branch of the Algerian military. The naval force operates from multiple bases along the country's nearly 1,440 km (890 mi) coastline, fulfilling its primary role of monitoring and defending Algeria's territorial waters against all foreign military or economic intrusion. Additional missions include coast guard and maritime safety missions as well a projection of marine forces. Algerian forces are an important player in the Western Mediterranean.

Djebel Chenoua-class corvette

Djebel Chenoua-class corvette

The Djebel Chenoua-class corvettes are ships of Algerian design and assembly, developed in the shipyards of Mers el-Kebir near Oran and built in the 1980s. The 4 units are specialized in anti-ship warfare and search and rescue operations.

Argentine Navy

Argentine Navy

The Argentine Navy is the navy of Argentina. It is one of the three branches of the Armed Forces of the Argentine Republic, together with the Army and the Air Force.

Espora-class corvette

Espora-class corvette

The Espora-class corvettes are six warships of the Argentine Navy built in Argentina to the German MEKO 140A16 design, this in turn being based on the Portuguese João Coutinho-class project. The first entered service in 1985 but accidents and lack of funds meant the last was not completed until 2004. The ships currently form the 2nd Corvette Division of the Argentine Navy and their home port is the Puerto Belgrano Naval Base. Although considered by its designers to be frigates, the Espora-class vessels have been classed in Argentina as corvettes.

Drummond-class corvette

Drummond-class corvette

The Drummond class are three corvettes designed and built in France based on the A69 D'Estienne d'Orves-class avisos. The ships were commissioned in the Argentine Navy between 1978 and 1982.

Bangladesh Navy

Bangladesh Navy

The Bangladesh Navy is the naval warfare branch of the Bangladesh Armed Forces, responsible for Bangladesh's 118,813 square kilometres (45,874 sq mi) of maritime territorial area, and the defence of important harbours, military bases and economic zones. The primary role of the Bangladesh Navy is to protect the country's economic and military interests at home and abroad. The Bangladesh navy is also a front line disaster management force in Bangladesh, and participates in humanitarian missions abroad. It is a key regional player in counter terrorism efforts, and engages in global peacekeeping with the United Nations.

Castle-class patrol vessel

Castle-class patrol vessel

The Castle class was a class of British offshore patrol vessels of the Royal Navy. Two ships were constructed and after nearly 30 years service were sold to the Bangladesh Navy in 2010. The Bangladesh Navy upgraded these with more armaments including C-704 anti-ship missiles and sensors. These ships are now reclassified as corvettes by the Bangladesh Navy.

Bangladesh Coast Guard

Bangladesh Coast Guard

The Bangladesh Coast Guard is the maritime law enforcement force of Bangladesh. It is a paramilitary force which is under the jurisdiction of the Ministry of Home Affairs. Its officers and sailors are transferred from Bangladesh Navy, and most of the medical officers are transferred from Bangladesh Army. The Bangladesh Coast Guard also performs the duty of maritime border security of Bangladesh. The headquarters is located in Dhaka, Bangladesh. Currently the coast guard has 3,339 personnel and 63 ships. A modernisation plan named Coast Guard Goal 2030 has been undertaken to enhance its capabilities.

Brazilian Navy

Brazilian Navy

The Brazilian Navy is the naval service branch of the Brazilian Armed Forces, responsible for conducting naval operations. The Brazilian Navy is the largest navy in Latin America and the second largest navy in the Americas after the United States Navy.

Amazonas-class corvette

Amazonas-class corvette

The Amazonas class comprises three offshore patrol vessels (OPVs) built by VT Shipbuilding. The ships entered service with the Brazilian Navy during 2012 and 2013.

Brazilian corvette Caboclo (V19)

Brazilian corvette Caboclo (V19)

Cv Caboclo (V19) is an Imperial Marinheiro-class corvette of the Brazilian Navy. Caboclo was the fifth of the Imperial Marinheiro-class corvettes ordered by the Brazilian Navy in 1953. Caboclo was launched on 19 August 1954, and commissioned on 16 July 1955.

Bulgarian Navy

Bulgarian Navy

The Bulgarian Navy is the navy of the Republic of Bulgaria and forms part of the Bulgarian Armed Forces. It has been largely overlooked in the reforms that Bulgaria had to go through in order to comply with NATO standards, mostly because of the great expense involved and the fact that naval assaults are not considered to be a great concern for the country's security. That is why three of the four Romeo-class submarines are now docked and have been out of operation for some time. The last one was decommissioned in November 2011. Only the more modern frigates, corvettes and missile crafts are on active duty.

Future development

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Algerian National Navy

Algerian National Navy

The Algerian Naval Force is the naval branch of the Algerian military. The naval force operates from multiple bases along the country's nearly 1,440 km (890 mi) coastline, fulfilling its primary role of monitoring and defending Algeria's territorial waters against all foreign military or economic intrusion. Additional missions include coast guard and maritime safety missions as well a projection of marine forces. Algerian forces are an important player in the Western Mediterranean.

Egyptian Navy

Egyptian Navy

The Egyptian Navy, also known as the Egyptian Naval Force, is the maritime branch of the Egyptian Armed Forces. It is the largest navy in the Middle East as well as Africa, and is the twelfth largest navy in the world. The navy protects more than 2,000 kilometers of coastline of the Mediterranean Sea and the Red Sea, defense of approaches to the Suez Canal, and it also supports for army operations. The majority of the modern Egyptian Navy was created with the help of the Soviet Union in the 1960s. The navy received ships in the 1980s from China and other Western sources. In 1989, the Egyptian Navy had 18,000 personnel as well as 2,000 personnel in the Coast Guard. The navy received ships from the US in 1990. US shipbuilder Swiftships has built around 30 boats for the Egyptian Navy including mine hunters, survey vessels, and both steel and aluminium patrol boats.

Gowind-class design

Gowind-class design

The Gowind design is a family of steel monohull frigates, corvettes and offshore patrol vessels developed since 2006 by France's Naval Group, formerly known as DCNS, to conduct missions in the littoral zone such as anti-submarine warfare (ASW). The Gowind family includes vessels with lengths from 85 to 111 metres and displacement from 1,000 tons to 3,100 tons.

Finnish Navy

Finnish Navy

The Finnish Navy is one of the branches of the Finnish Defence Forces. The navy employs 2,300 people and about 4,300 conscripts are trained each year. Finnish Navy vessels are given the ship prefix "FNS", short for "Finnish Navy ship", but this is not used in Finnish language contexts. The Finnish Navy also includes coastal forces and coastal artillery.

French Navy

French Navy

The French Navy, informally La Royale, is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in the world, ranking seventh in combined fleet tonnage and fifth in number of naval vessels. The French Navy is one of eight naval forces currently operating fixed-wing aircraft carriers, with its flagship Charles de Gaulle being the only nuclear-powered aircraft carrier outside the United States Navy, and one of two non-American vessels to use catapults to launch aircraft.

European Patrol Corvette

European Patrol Corvette

European Patrol Corvette is a Permanent Structured Cooperation (PESCO) project that was adopted by the European Council on 12 November 2019. The objective is to design and develop a new class of warship. The project is coordinated by Italy, with France, Spain and Greece participating and Portugal as an observer. In December 2021, it was reported that Norway and Denmark had also joined the project.

German Navy

German Navy

The German Navy is the navy of Germany and part of the unified Bundeswehr, the German Armed Forces. The German Navy was originally known as the Bundesmarine from 1956 to 1995, when Deutsche Marine became the official name with respect to the 1990 incorporation of the East German Volksmarine. It is deeply integrated into the NATO alliance. Its primary mission is protection of Germany's territorial waters and maritime infrastructure as well as sea lines of communication. Apart from this, the German Navy participates in peacekeeping operations, and renders humanitarian assistance and disaster relief. It also participates in anti-piracy operations.

Braunschweig-class corvette

Braunschweig-class corvette

The K130 Braunschweig class is Germany's newest class of ocean-going corvettes. Five ships have replaced the Gepard-class fast attack craft of the German Navy.

Hellenic Navy

Hellenic Navy

The Hellenic Navy is the naval force of Greece, part of the Hellenic Armed Forces. The modern Greek navy historically hails from the naval forces of various Aegean Islands, which fought in the Greek War of Independence. During the periods of monarchy it was known as the Royal Hellenic Navy.

Indian Navy

Indian Navy

The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates significantly in the Persian Gulf Region, the Horn of Africa, the Strait of Malacca, and routinely conducts anti-piracy operations and partners with other navies in the region. It also conducts routine two to three month-long deployments in the South and East China seas as well as the western Mediterranean sea simultaneously.

Indonesian Navy

Indonesian Navy

The Indonesian Navy is the naval branch of the Indonesian National Armed Forces. It was founded on 10 September 1945 and has a role to patrol Indonesia's lengthy coastline, to enforce and patrol the territorial waters and Exclusive Economic Zone (EEZ) of Indonesia, to protect Indonesia's maritime strategic interests, to protect the islands surrounding Indonesia, and to defend against seaborne threats.

KRI Bung Karno

KRI Bung Karno

KRI Bung Karno (369) is a corvette and presidential yacht to be operated by the Indonesian Navy. Designated as "VVIP and Presidential Helicopter-carrying Guided-missile Corvette", the ship was named after the First President of Indonesia Sukarno and currently under construction.

Museum ships

ARA Uruguay, an Argentine corvette from 1874, has been a museum ship in Buenos Aires since 1967
ARA Uruguay, an Argentine corvette from 1874, has been a museum ship in Buenos Aires since 1967

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ARA Uruguay

ARA Uruguay

The corbeta (corvette) ARA Uruguay, built in England, is the largest ship afloat of its age in the Armada de la República Argentina, with more than 140 years passed since its commissioning in September 1874. The last of the legendary squadron of President Sarmiento, the Uruguay took part in revolutions, ransoms, expeditions, rescues, and was even floating headquarters of the Navy School. During its operational history 1874–1926 the Uruguay has served as a gunboat, school ship, expedition support ship, Antarctic rescue ship, fisheries base supply ship, and hydrographic survey vessel, and is now a museum ship in Buenos Aires. This ship may be the oldest in South America having been built in 1874 at Laird Bros. shipyard of Birkenhead, England, at a cost of £32,000. This ship is rigged to a barque sailplan. The ship's steel hull is sheathed in teak.

Barque

Barque

A barque, barc, or bark is a type of sailing vessel with three or more masts having the fore- and mainmasts rigged square and only the mizzen rigged fore and aft. Sometimes, the mizzen is only partly fore-and-aft rigged, bearing a square-rigged sail above.

HMAS Castlemaine

HMAS Castlemaine

HMAS Castlemaine (J244/M244/A248), named for the city of Castlemaine, Victoria, was one of 60 Bathurst-class corvettes constructed during World War II, and one of 36 initially crewed and commissioned solely by the Royal Australian Navy (RAN).

Bathurst-class corvette

Bathurst-class corvette

The Bathurst-class corvettes were a class of general purpose vessels designed and built in Australia during World War II. Originally classified as minesweepers, but widely referred to as corvettes, the Bathurst-class vessels fulfilled a broad anti-submarine, anti-mine, and convoy escort role.

HMCS Sackville (K181)

HMCS Sackville (K181)

HMCS Sackville is a Flower-class corvette that served in the Royal Canadian Navy and later served as a civilian research vessel. She is now a museum ship located in Halifax, Nova Scotia, and the last surviving Flower-class corvette.

Flower-class corvette

Flower-class corvette

The Flower-class corvette was a British class of 294 corvettes used during World War II by the Allied navies particularly as anti-submarine convoy escorts in the Battle of the Atlantic. Royal Navy ships of this class were named after flowers.

HMAS Whyalla (J153)

HMAS Whyalla (J153)

HMAS Whyalla (J153/B252), named for the city of Whyalla was one of 60 Bathurst-class corvettes constructed during World War II and one of 20 built on Admiralty order but manned by personnel of and later commissioned into the Royal Australian Navy (RAN). The ship was sold to the Victorian Public Works Department at the end of the war, who renamed her Rip and used her as a maintenance ship. In 1984, she was purchased by Whyalla City Council, who put her on display as a landlocked museum ship in 1987.

German corvette Hiddensee

German corvette Hiddensee

Hiddensee is a former East German Navy corvette, now part of the Battleship Cove site at Fall River, Massachusetts. Originally a Soviet vessel, the corvette was transferred first to the East German Navy, then to the German Navy, and ended her career in the United States.

INS Khukri (P49)

INS Khukri (P49)

INS Khukri was the lead vessel of her class of corvettes, in service with the Indian Navy. The ship was named after INS Khukri, the only Indian Navy ship to be ever lost in combat.

Diu, India

Diu, India

Diu, also known as Diu Town, is a town in Diu district in the union territory of Dadra and Nagar Haveli and Daman and Diu, India. Diu District is the tenth least populated district of India. The town of Diu lies at the eastern end of Diu Island and is known for its fortress and old Portuguese cathedral. It is a fishing town.

HTMS Maeklong

HTMS Maeklong

HTMS Maeklong is a retired Royal Thai Navy escort vessel and training ship, built at the Uraga Dock in Yokosuka, Japan. Her sister ship was HTMS Tachin.

Pohang-class corvette

Pohang-class corvette

The Pohang-class PCC is the low-end complement of the high-low mix domestic naval construction plan of the Republic of Korea Navy under the 1st Yulgok Project (1974-1986) for the Republic of Korea Armed Forces. It was originally planned as a Batch II production of Donghae-class corvette, but many changes on overall design, notably applying the hull design of Ulsan-class frigate, reclassified the ship to its own class. The ship is designed for patrolling maritime border, including the Northern Limit Line, protecting the littoral zone, and combating the North Korean vessels.

Source: "Corvette", Wikipedia, Wikimedia Foundation, (2023, February 28th), https://en.wikipedia.org/wiki/Corvette.

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Further reading
  • The collection Three Corvettes by Nicholas Monsarrat recounts the writer's World War II experiences on corvettes, starting as an inexperienced small-boat sailor and ending as captain.
  • The novel The Cruel Sea (1951), also by Nicholas Monsarrat, about the life and death of a Flower-class corvette and the men in her, is regarded as one of the classic naval stories of World War II.
  • James B. Lamb's two books, The Corvette Navy and On the Triangle Run, give an autobiographical and historical perspective of life on Royal Canadian Navy corvettes in World War II. The author served on them for six years from Halifax to the beaches of D-Day.
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