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Frigate

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The French Navy frigate Pénélope of 1806Modern frigate Admiral Sergei Gorshkov of the Russian Navy
The French Navy frigate Pénélope of 1806

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

The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and maneuverability, intended to be used in scouting, escort and patrol roles. The term was applied loosely to ships varying greatly in design. In the second quarter of the 18th century, the 'true frigate' was developed in France. This type of vessel was characterised by possessing only one armed deck, with an unarmed deck below it used for berthing the crew.

Late in the 19th century (British and French prototypes were constructed in 1858), armoured frigates were developed as powerful ironclad warships, the term frigate was used because of their single gun deck. Later developments in ironclad ships rendered the frigate designation obsolete and the term fell out of favour.

During the Second World War the name 'frigate' was reintroduced to describe a seagoing escort ship intermediate in size between a corvette and a destroyer. After World War II, a wide variety of ships have been classified as frigates. Often there has been little consistency in usage. While some navies have regarded frigates as principally large ocean-going anti-submarine warfare (ASW) combatants, others have used the term to describe ships that are otherwise recognisable as corvettes, destroyers, and even nuclear-powered guided-missile cruisers. Some European navies use the term "frigate" for both their destroyers and frigates.[1] The rank "frigate captain" derives from the name of this type of ship.

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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.

Full-rigged ship

Full-rigged ship

A full-rigged ship or fully rigged ship is a sailing vessel with a sail plan of three or more masts, all of them square-rigged. Such a vessel is said to have a ship rig or be ship-rigged, with each mast stepped in three segments: lower, top, and topgallant.

Ironclad warship

Ironclad warship

An ironclad is a steam-propelled warship protected by iron or steel armor plates, constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or incendiary shells. The first ironclad battleship, Gloire, was launched by the French Navy in November 1859 - narrowly pre-empting the British Royal Navy.

Gun deck

Gun deck

The term gun deck used to refer to a deck aboard a ship that was primarily used for the mounting of cannon to be fired in broadsides. The term is generally applied to decks enclosed under a roof; smaller and unrated vessels carried their guns on the upper deck, forecastle and quarterdeck, and these were not described as gun decks.

Ocean escort

Ocean escort

Ocean escort was a type of United States Navy warship. They were an evolution of the World War II destroyer escort types. The ocean escorts were intended as convoy escorts and were designed for mobilization production in wartime or low-cost mass production in peacetime. They were commissioned from 1954 through 1974, serving in the Cold War and the Vietnam War.

Corvette

Corvette

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

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.

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.

Cruiser

Cruiser

A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles.

Frigate captain

Frigate captain

Frigate captain is a naval rank in the naval forces of several countries. Corvette captain lies one level below frigate captain.

Age of sail

Origins

The term "frigate" (Italian: fregata; Dutch: fregat; Spanish/Catalan/Portuguese/Sicilian: fragata; French: frégate) originated in the Mediterranean in the late 15th century, referring to a lighter galley-type warship with oars, sails and a light armament, built for speed and maneuverability.[2]

Light frigate, circa 1675–1680
Light frigate, circa 1675–1680

The etymology of the word remains uncertain, although it may have originated as a corruption of aphractus, a Latin word for an open vessel with no lower deck. Aphractus, in turn, derived from the Ancient Greek phrase ἄφρακτος ναῦς (aphraktos naus) – "undefended ship". In 1583, during the Eighty Years' War of 1568–1648, Habsburg Spain recovered the southern Netherlands from the Protestant rebels. This soon resulted in the use of the occupied ports as bases for privateers, the "Dunkirkers", to attack the shipping of the Dutch and their allies. To achieve this the Dunkirkers developed small, maneuverable, sailing vessels that came to be referred to as frigates. The success of these Dunkirker vessels influenced the ship design of other navies contending with them, but because most regular navies required ships of greater endurance than the Dunkirker frigates could provide, the term soon came to apply less exclusively to any relatively fast and elegant sail-only warship. In French, the term "frigate" gave rise to a verb – frégater, meaning 'to build long and low', and to an adjective, adding more confusion. Even the huge English Sovereign of the Seas could be described as "a delicate frigate" by a contemporary after her upper decks were reduced in 1651.[3]

The navy of the Dutch Republic became the first navy to build the larger ocean-going frigates. The Dutch navy had three principal tasks in the struggle against Spain: to protect Dutch merchant ships at sea, to blockade the ports of Spanish-held Flanders to damage trade and halt enemy privateering, and to fight the Spanish fleet and prevent troop landings. The first two tasks required speed, shallowness of draft for the shallow waters around the Netherlands, and the ability to carry sufficient supplies to maintain a blockade. The third task required heavy armament, sufficient to stand up to the Spanish fleet. The first of the larger battle-capable frigates were built around 1600 at Hoorn in Holland.[4] By the later stages of the Eighty Years' War the Dutch had switched entirely from the heavier ships still used by the English and Spanish to the lighter frigates, carrying around 40 guns and weighing around 300 tons.

The effectiveness of the Dutch frigates became most evident in the Battle of the Downs in 1639, encouraging most other navies, especially the English, to adopt similar designs.

The fleets built by the Commonwealth of England in the 1650s generally consisted of ships described as "frigates", the largest of which were two-decker "great frigates" of the third rate. Carrying 60 guns, these vessels were as big and capable as "great ships" of the time; however, most other frigates at the time were used as "cruisers": independent fast ships. The term "frigate" implied a long hull-design, which relates directly to speed (see hull speed) and which also, in turn, helped the development of the broadside tactic in naval warfare.

At this time, a further design evolved, reintroducing oars and resulting in galley frigates such as HMS Charles Galley of 1676, which was rated as a 32-gun fifth-rate but also had a bank of 40 oars set below the upper deck which could propel the ship in the absence of a favourable wind.

In Danish, the word "fregat" often applies to warships carrying as few as 16 guns, such as HMS Falcon, which the British classified as a sloop.

Under the rating system of the Royal Navy, by the middle of the 18th century, the term "frigate" was technically restricted to single-decked ships of the fifth rate, though small 28-gun frigates classed as sixth rate.[2]

Classic design

Gun deck of the Pallas-class frigate Méduse
Gun deck of the Pallas-class frigate Méduse

The classic sailing frigate, or 'true frigate', well-known today for its role in the Napoleonic Wars, can be traced back to French developments in the second quarter of the 18th century. The French-built Médée of 1740 is often regarded as the first example of this type. These ships were square-rigged and carried all their main guns on a single continuous upper deck. The lower deck, known as the "gun deck", now carried no armament, and functioned as a "berth deck" where the crew lived, and was in fact placed below the waterline of the new frigates. The typical earlier cruiser had a partially armed lower deck, from which it was known as a 'half-battery' or demi-batterie ship. Removing the guns from this deck allowed the height of the hull upperworks to be lowered, giving the resulting 'true-frigate' much improved sailing qualities. The unarmed deck meant that the frigate's guns were carried comparatively high above the waterline; as a result, when seas were too rough for two-deckers to open their lower deck gunports, frigates were still able to fight with all their guns (see the action of 13 January 1797, for an example when this was decisive).[5][6]

The Royal Navy captured a number of the new French frigates, including Médée, during the War of the Austrian Succession (1740–1748) and were impressed by them, particularly for their inshore handling capabilities. They soon built copies (ordered in 1747), based on a French privateer named Tygre, and started to adapt the type to their own needs, setting the standard for other frigates as the leading naval power. The first British frigates carried 28 guns including an upper deck battery of twenty-four 9-pounder guns (the remaining four smaller guns were carried on the quarterdeck) but soon developed into fifth-rate ships of 32 or 36 guns including an upper deck battery of twenty-six 12-pounder guns, with the remaining six or ten smaller guns carried on the quarterdeck and forecastle.[7] Technically, 'rated ships' with fewer than 28 guns could not be classed as frigates but as "post ships"; however, in common parlance most post ships were often described as "frigates", the same casual misuse of the term being extended to smaller two-decked ships that were too small to stand in the line of battle.

A total of fifty-nine French sailing frigates were built between 1777 and 1790, with a standard design averaging a hull length of 135 ft (41 m) and an average draught of 13 ft (4.0 m). The new frigates recorded sailing speeds of up to 14 knots (26 km/h; 16 mph), significantly faster than their predecessor vessels.[5]

Heavy frigate

HMS Trincomalee (1817) a restored British 18-pounder, 38-gun heavy frigate
HMS Trincomalee (1817) a restored British 18-pounder, 38-gun heavy frigate

In 1778, the British Admiralty introduced a larger "heavy" frigate, with a main battery of twenty-six or twenty-eight 18-pounder guns (with smaller guns carried on the quarterdeck and forecastle). This move may reflect the naval conditions at the time, with both France and Spain as enemies the usual British preponderance in ship numbers was no longer the case and there was pressure on the British to produce cruisers of individually greater force. In reply, the first French 18-pounder frigates were laid down in 1781. The 18-pounder frigate eventually became the standard frigate of the French Revolutionary and Napoleonic Wars. The British produced larger, 38-gun, and slightly smaller, 36-gun, versions and also a 32-gun design that can be considered an 'economy version'. The 32-gun frigates also had the advantage that they could be built by the many smaller, less-specialised shipbuilders.[8][9]

Frigates could (and usually did) additionally carry smaller carriage-mounted guns on their quarterdecks and forecastles (the superstructures above the upper deck). In 1778 the Carron Iron Company of Scotland produced a naval gun which would revolutionise the armament of smaller naval vessels, including the frigate. The carronade was a large calibre, short-barrelled naval cannon which was light, quick to reload and needed a smaller crew than a conventional long gun. Due to its lightness it could be mounted on the forecastle and quarterdeck of frigates. It greatly increased the firepower, measured in weight of metal (the combined weight of all projectiles fired in one broadside), of these vessels. The disadvantages of the carronade were that it had a much shorter range and was less accurate than a long gun. The British quickly saw the advantages of the new weapon and soon employed it on a wide scale. The US Navy also copied the design soon after its appearance. The French and other nations eventually adopted variations of the weapon in succeeding decades. The typical heavy frigate had a main armament of 18-pounder long guns, plus 32-pounder carronades mounted on its upper decks.[10]

Super-heavy frigates

The first 'super-heavy frigates', armed with 24-pounder long guns, were built by the naval architect F H Chapman for the Swedish navy in 1782. Because of a shortage of ships-of-the-line, the Swedes wanted these frigates, the Bellona class, to be able to stand in the battle line in an emergency. In the 1790s the French built a small number of large 24-pounder frigates, such as Forte and Egyptienne, they also cut-down (reduced the height of the hull to give only one continuous gun deck) a number of older ships-of-the-line (including Diadème) to produce super-heavy frigates, the resulting ship was known as a rasée. It is not known whether the French were seeking to produce very potent cruisers or merely to address stability problems in old ships. The British, alarmed by the prospect of these powerful heavy frigates, responded by rasée-ing three of the smaller 64-gun battleships, including Indefatigable, which went on to have a very successful career as a frigate. At this time the British also built a few 24-pounder-armed large frigates, the most successful of which was HMS Endymion (1,277 tons).[11][12]

In 1797, three of the United States Navy's first six major ships were rated as 44-gun frigates, which operationally carried fifty-six to sixty 24-pounder long guns and 32-pounder or 42-pounder carronades on two decks; they were exceptionally powerful. These ships were so large, at around 1,500 tons, and well-armed that they were often regarded as equal to ships of the line, and after a series of losses at the outbreak of the War of 1812, Royal Navy fighting instructions ordered British frigates (usually of 38 guns or less) to never engage the large American frigates at any less than a 2:1 advantage. USS Constitution, preserved as a museum ship by the US Navy, is the oldest commissioned warship afloat, and is a surviving example of a frigate from the Age of Sail. Constitution and her sister ships President and United States were created in a response to deal with the Barbary Coast pirates and in conjunction with the Naval Act of 1794. Joshua Humphreys proposed that only live oak, a tree that grew only in America, should be used to build these ships.[13]

The British, wounded by repeated defeats in single-ship actions, responded to the success of the American 44s in three ways. They built a class of conventional 40-gun, 24-pounder armed frigates on the lines of Endymion. They cut down three old 74-gun Ships-of-the-Line into rasées, producing frigates with a 32-pounder main armament, supplemented by 42-pounder carronades. These had an armament that far exceeded the power of the American ships. Finally, Leander and Newcastle, 1,500-ton spar-decked frigates (with an enclosed waist, giving a continuous line of guns from bow to stern at the level of the quarterdeck/forecastle), were built, which were an almost exact match in size and firepower to the American 44-gun frigates.[14]

Role

HMS Warrior, the first iron-hulled armoured steam frigate – the hull survived as an oil terminal dock and was restored to its original appearance in the late 20th century
HMS Warrior, the first iron-hulled armoured steam frigate – the hull survived as an oil terminal dock and was restored to its original appearance in the late 20th century

Frigates were perhaps the hardest-worked of warship types during the Age of Sail. While smaller than a ship-of-the-line, they were formidable opponents for the large numbers of sloops and gunboats, not to mention privateers or merchantmen. Able to carry six months' stores, they had very long range; and vessels larger than frigates were considered too valuable to operate independently.

Frigates scouted for the fleet, went on commerce-raiding missions and patrols, and conveyed messages and dignitaries. Usually, frigates would fight in small numbers or singly against other frigates. They would avoid contact with ships-of-the-line; even in the midst of a fleet engagement it was bad etiquette for a ship of the line to fire on an enemy frigate which had not fired first.[15] Frigates were involved in fleet battles, often as "repeating frigates". In the smoke and confusion of battle, signals made by the fleet commander, whose flagship might be in the thick of the fighting, might be missed by the other ships of the fleet.[16] Frigates were therefore stationed to windward or leeward of the main line of battle, and had to maintain a clear line of sight to the commander's flagship. Signals from the flagship were then repeated by the frigates, which themselves standing out of the line and clear from the smoke and disorder of battle, could be more easily seen by the other ships of the fleet.[16] If damage or loss of masts prevented the flagship from making clear conventional signals, the repeating frigates could interpret them and hoist their own in the correct manner, passing on the commander's instructions clearly.[16]

For officers in the Royal Navy, a frigate was a desirable posting. Frigates often saw action, which meant a greater chance of glory, promotion, and prize money.

Unlike larger ships that were placed in ordinary, frigates were kept in service in peacetime as a cost-saving measure and to provide experience to frigate captains and officers which would be useful in wartime. Frigates could also carry marines for boarding enemy ships or for operations on shore; in 1832, the frigate USS Potomac landed a party of 282 sailors and Marines ashore in the US Navy's first Sumatran expedition.

Frigates remained a crucial element of navies until the mid-19th century. The first ironclads were classified as "frigates" because of the number of guns they carried. However, terminology changed as iron and steam became the norm, and the role of the frigate was assumed first by the protected cruiser and then by the light cruiser.

Frigates are often the vessel of choice in historical naval novels due to their relative freedom compared to ships-of-the-line (kept for fleet actions) and smaller vessels (generally assigned to a home port and less widely ranging). For example, the Patrick O'Brian Aubrey–Maturin series, C. S. Forester's Horatio Hornblower series and Alexander Kent's Richard Bolitho series. The motion picture Master and Commander: The Far Side of the World features a reconstructed historic frigate, HMS Rose, to depict Aubrey's frigate HMS Surprise.

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Galley

Galley

A galley is a type of ship that is propelled mainly by oars. The galley is characterized by its long, slender hull, shallow draft, and low freeboard. Virtually all types of galleys had sails that could be used in favorable winds, but human effort was always the primary method of propulsion. This allowed galleys to navigate independently of winds and currents. The galley originated among the seafaring civilizations around the Mediterranean Sea in the late second millennium BC and remained in use in various forms until the early 19th century in warfare, trade, and piracy.

Latin

Latin

Latin is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area around present-day Rome, but through the power of the Roman Republic it became the dominant language in the Italian region and subsequently throughout the Roman Empire. Even after the fall of Western Rome, Latin remained the common language of international communication, science, scholarship and academia in Europe until well into the 18th century, when other regional vernaculars supplanted it in common academic and political usage. For most of the time it was used, it would be considered a "dead language" in the modern linguistic definition; that is, it lacked native speakers, despite being used extensively and actively.

Ancient Greek

Ancient Greek

Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek, Dark Ages, the Archaic period, and the Classical period.

Eighty Years' War

Eighty Years' War

The Eighty Years' War or Dutch Revolt (c.1566/1568–1648) was an armed conflict in the Habsburg Netherlands between disparate groups of rebels and the Spanish government. The causes of the war included the Reformation, centralisation, taxation, and the rights and privileges of the nobility and cities.

Habsburg Spain

Habsburg Spain

Habsburg Spain is a contemporary historiographical term referring to the huge extent of territories ruled between the 16th and 18th centuries (1516–1713) by kings from the Spanish branch of the House of Habsburg. Habsburg Spain was a composite monarchy and a personal union. The Habsburg Hispanic Monarchs reached the zenith of their influence and power ruling the Spanish Empire. They controlled territories over the five continents, including the Americas, the East Indies, the Low Countries, Belgium, Luxembourg, and territories now in Italy, France and Germany in Europe, the Portuguese Empire from 1580 to 1640, and various other territories such as small enclaves like Ceuta and Oran in North Africa. This period of Spanish history has also been referred to as the "Age of Expansion".

HMS Sovereign of the Seas

HMS Sovereign of the Seas

Sovereign of the Seas was a 17th-century warship of the English Navy. She was ordered as a 90-gun first-rate ship of the line of the English Royal Navy, but at launch was armed with 102 bronze guns at the insistence of the king. It was later renamed HMS Sovereign, and then HMS Royal Sovereign at the Restoration of Charles II.

Dutch Republic

Dutch Republic

The United Provinces of the Netherlands, officially the Republic of the Seven United Netherlands, and commonly referred to in historiography as the Dutch Republic, was a confederation that existed from 1579 until the Batavian Revolution in 1795. It was a predecessor state of the present-day Netherlands. The republic was established after seven Dutch provinces in the Spanish Netherlands revolted against Spanish rule, forming a mutual alliance against Spain in 1579 and declaring their independence in 1581. It comprised Groningen, Frisia, Overijssel, Guelders, Utrecht, Holland and Zeeland.

Flanders

Flanders

Flanders is the Dutch-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to culture, language, politics, and history, and sometimes involving neighbouring countries. The demonym associated with Flanders is Fleming, while the corresponding adjective is Flemish. The official capital of Flanders is the City of Brussels, although the Brussels-Capital Region that includes it has an independent regional government. The powers of the government of Flanders consist, among others, of economic affairs in the Flemish Region and the community aspects of Flanders life in Brussels, such as Flemish culture and education.

Hoorn

Hoorn

Hoorn is a city and municipality in the northwest of the Netherlands, in the province of North Holland. It is the largest town and the traditional capital of the region of West Friesland. Hoorn is located on the Markermeer, 20 kilometers (12 mi) east of Alkmaar and 35 kilometers (22 mi) north of Amsterdam. The municipality has just over 73,000 inhabitants and a land area of 20.38 km2 (7.87 sq mi), making it the third most densely populated municipality in North Holland after Haarlem and Amsterdam. Apart from the city of Hoorn, the municipality includes the villages of Blokker and Zwaag, as well as parts of the hamlets De Bangert, De Hulk and Munnickaij.

County of Holland

County of Holland

The County of Holland was a state of the Holy Roman Empire and from 1433 part of the Burgundian Netherlands, from 1482 part of the Habsburg Netherlands and from 1581 onward the leading province of the Dutch Republic, of which it remained a part until the Batavian Revolution in 1795. The territory of the County of Holland corresponds roughly with the current provinces of North Holland and South Holland in the Netherlands.

Battle of the Downs

Battle of the Downs

The Battle of the Downs took place on 21 October 1639, during the Eighty Years' War. A Spanish fleet, commanded by Admiral Antonio de Oquendo, was decisively defeated by a Dutch force under Lieutenant-Admiral Maarten Tromp. Victory ended Spanish efforts to re-assert naval control over the English Channel and confirmed Dutch dominance of the sea lanes, while it is also alleged to be the first major action to feature line of battle tactics.

Commonwealth of England

Commonwealth of England

The Commonwealth was the political structure during the period from 1649 to 1660 when England and Wales, later along with Ireland and Scotland, were governed as a republic after the end of the Second English Civil War and the trial and execution of Charles I. The republic's existence was declared through "An Act declaring England to be a Commonwealth", adopted by the Rump Parliament on 19 May 1649. Power in the early Commonwealth was vested primarily in the Parliament and a Council of State. During the period, fighting continued, particularly in Ireland and Scotland, between the parliamentary forces and those opposed to them, in the Cromwellian conquest of Ireland and the Anglo-Scottish war of 1650–1652.

Age of steam

French paddle frigate Descartes
French paddle frigate Descartes

Vessels classed as frigates continued to play a great role in navies with the adoption of steam power in the 19th century. In the 1830s, navies experimented with large paddle steamers equipped with large guns mounted on one deck, which were termed "paddle frigates".

From the mid-1840s on, frigates which more closely resembled the traditional sailing frigate were built with steam engines and screw propellers. These "screw frigates", built first of wood and later of iron, continued to perform the traditional role of the frigate until late in the 19th century.

Armoured frigate

From 1859, armour was added to ships based on existing frigate and ship of the line designs. The additional weight of the armour on these first ironclad warships meant that they could have only one gun deck, and they were technically frigates, even though they were more powerful than existing ships-of-the-line and occupied the same strategic role. The phrase "armoured frigate" remained in use for some time to denote a sail-equipped, broadside-firing type of ironclad.

During the 1880s, as warship design shifted from iron to steel and cruising warships without sails started to appear, the term "frigate" fell out of use. Vessels with armoured sides were designated as "battleships" or "armoured cruisers", while "protected cruisers" only possessed an armoured deck, and unarmoured vessels, including frigates and sloops, were classified as "unprotected cruisers".

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Steam frigate

Steam frigate

Steam frigates and the smaller steam corvettes, steam sloops, steam gunboats and steam schooners, were steam-powered warships that were not meant to stand in the line of battle. There were some exceptions like for example the French Napoléon class steam ship of the line was meant to stand in the line of battle, making it the world's first steam battleship. The first such ships were paddle steamers. Later on the invention of screw propulsion enabled construction of steam-powered versions of the traditional ships of the line, frigates, corvettes, sloops and gunboats.

Paddle steamer

Paddle steamer

A paddle steamer is a steamship or steamboat powered by a steam engine that drives paddle wheels to propel the craft through the water. In antiquity, paddle wheelers followed the development of poles, oars and sails, where the first uses were wheelers driven by animals or humans.

French frigate Descartes

French frigate Descartes

Descartes was a wooden-hulled paddle frigate of the French Navy. Laid down as Gomer, she was renamed Descartes in 1841 while still on the stocks.

Propeller

Propeller

A propeller is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working fluid such as water or air. Propellers are used to pump fluid through a pipe or duct, or to create thrust to propel a boat through water or an aircraft through air. The blades are shaped so that their rotational motion through the fluid causes a pressure difference between the two surfaces of the blade by Bernoulli's principle which exerts force on the fluid. Most marine propellers are screw propellers with helical blades rotating on a propeller shaft with an approximately horizontal axis.

Wrought iron

Wrought iron

Wrought iron is an iron alloy with a very low carbon content in contrast to that of cast iron. It is a semi-fused mass of iron with fibrous slag inclusions, which give it a wood-like "grain" that is visible when it is etched, rusted, or bent to failure. Wrought iron is tough, malleable, ductile, corrosion resistant, and easily forge welded, but is more difficult to weld electrically.

Ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed during the Age of Sail from the 17th century to the mid-19th century. The ship of the line was designed for the naval tactic known as the line of battle, which depended on the two columns of opposing warships maneuvering to volley fire with the cannons along their broadsides. In conflicts where opposing ships were both able to fire from their broadsides, the opponent with more cannons firing – and therefore more firepower – typically had an advantage. Since these engagements were almost invariably won by the heaviest ships carrying more of the most powerful guns, the natural progression was to build sailing vessels that were the largest and most powerful of their time.

Ironclad warship

Ironclad warship

An ironclad is a steam-propelled warship protected by iron or steel armor plates, constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or incendiary shells. The first ironclad battleship, Gloire, was launched by the French Navy in November 1859 - narrowly pre-empting the British Royal Navy.

Battleship

Battleship

A battleship is a large armored warship with a main battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries.

Armored cruiser

Armored cruiser

The armored cruiser was a type of warship of the late 19th and early 20th centuries. It was designed like other types of cruisers to operate as a long-range, independent warship, capable of defeating any ship apart from a battleship and fast enough to outrun any battleship it encountered.

Protected cruiser

Protected cruiser

Protected cruisers, a type of cruising warship of the late-19th century, gained their description because an armoured deck offered protection for vital machine-spaces from fragments caused by shells exploding above them. Protected cruisers resembled armored cruisers, which had in addition a belt of armour along the sides.

Unprotected cruiser

Unprotected cruiser

An unprotected cruiser was a type of naval warship in use during the early 1870s Victorian or pre-dreadnought era. The name was meant to distinguish these ships from “protected cruisers”, which had become accepted in the 1880s. A protected cruiser did not have side armor on its hull like a battleship or “armored cruiser” but had only a curved armored deck built inside the ship — like an internal turtle shell — which prevented enemy fire penetrating through the ship down into the most critical areas such as machinery, boilers, and ammunition storage. An unprotected cruiser lacked even this level of internal protection. The definitions had some gray areas, because individual ships could be built with a protective deck that did not cover more than a small area of the ship, or was so thin as to be of little value. The same was true of the side armor on some armored cruisers. An unprotected cruiser was generally cheaper and less effective than a protected cruiser, while a protected cruiser was generally cheaper and less effective than an armored cruiser, with some exceptions in each case.

Modern era

World War II

The U.S. Navy Tacoma-class patrol frigate USS Gallup at San Pedro, California, on 30 May 1944
The U.S. Navy Tacoma-class patrol frigate USS Gallup at San Pedro, California, on 30 May 1944

Modern frigates are related to earlier frigates only by name. The term "frigate" was readopted during the Second World War by the British Royal Navy to describe an anti-submarine escort vessel that was larger than a corvette, while smaller than a destroyer. Equal in size and capability to the American destroyer escort, frigates are usually less expensive to build and maintain.[17] Anti-submarine escorts had previously been classified as sloops by the Royal Navy, and the Black Swan-class sloops of 1939–1945 were as large as the new types of frigate, and more heavily armed. 22 of these were reclassified as frigates after the war, as were the remaining 24 smaller Castle-class corvettes.

The frigate was introduced to remedy some of the shortcomings inherent in the Flower-class corvette design: limited armament, a hull form not suited to open-ocean work, a single shaft which limited speed and maneuverability, and a lack of range. The frigate was designed and built to the same mercantile construction standards (scantlings) as the corvette, allowing manufacture by yards unused to warship construction. The first frigates of the River class (1941) were essentially two sets of corvette machinery in one larger hull, armed with the latest Hedgehog anti-submarine weapon.

The frigate possessed less offensive firepower and speed than a destroyer, but such qualities were not required for anti-submarine warfare. Submarines were slow while submerged, and ASDIC sets did not operate effectively at speeds of over 20 knots (23 mph; 37 km/h). Rather, the frigate was an austere and weatherly vessel suitable for mass-construction and fitted with the latest innovations in anti-submarine warfare. As the frigate was intended purely for convoy duties, and not to deploy with the fleet, it had limited range and speed.

It was not until the Royal Navy's Bay class of 1944 that a British design classified as a "frigate" was produced for fleet use, although it still suffered from limited speed. These anti-aircraft frigates, built on incomplete Loch-class frigate hulls, were similar to the United States Navy's destroyer escorts (DE), although the latter had greater speed and offensive armament to better suit them to fleet deployments. The destroyer escort concept came from design studies by the General Board of the United States Navy in 1940, as modified by requirements established by a British commission in 1941[18] prior to the American entry into the war, for deep-water escorts. The American-built destroyer escorts serving in the British Royal Navy were rated as Captain-class frigates. The U.S. Navy's two Canadian-built Asheville-class and 96 British-influenced, American-built Tacoma-class frigates that followed originally were classified as "patrol gunboats" (PG) in the U.S. Navy but on 15 April 1943 were all reclassified as patrol frigates (PF).

Modern frigate

Guided-missile role

Royal Canadian Navy Halifax-class frigate HMCS Regina escorting the American aircraft carrier USS Kitty Hawk across the Pacific Ocean in 2008
Royal Canadian Navy Halifax-class frigate HMCS Regina escorting the American aircraft carrier USS Kitty Hawk across the Pacific Ocean in 2008
The Ecuadorian Navy Leander-class frigate BAE Morán Valverde, formerly the Chilean Navy's Almirante Lynch
The Ecuadorian Navy Leander-class frigate BAE Morán Valverde, formerly the Chilean Navy's Almirante Lynch
USS Leahy departing San Diego, California, in May 1978. She was classified as a guided-missile frigate (DLG-16) until 1975, when she was reclassified as a guided-missile cruiser (CG-16).
USS Leahy departing San Diego, California, in May 1978. She was classified as a guided-missile frigate (DLG-16) until 1975, when she was reclassified as a guided-missile cruiser (CG-16).

The introduction of the surface-to-air missile after World War II made relatively small ships effective for anti-aircraft warfare: the "guided-missile frigate". In the USN, these vessels were called "ocean escorts" and designated "DE" or "DEG" until 1975 – a holdover from the World War II destroyer escort or "DE". The Royal Canadian Navy and British Royal Navy maintained the use of the term "frigate"; likewise, the French Navy refers to missile-equipped ship, up to cruiser-sized ships (Suffren, Tourville, and Horizon classes), by the name of "frégate", while smaller units are named aviso. The Soviet Navy used the term "guard-ship" (сторожевой корабль).

From the 1950s to the 1970s, the United States Navy commissioned ships classed as guided-missile frigates (hull classification symbol DLG or DLGN, literally meaning guided-missile destroyer leaders), which were actually anti-aircraft warfare cruisers built on destroyer-style hulls. These had one or two twin launchers per ship for the RIM-2 Terrier missile, upgraded to the RIM-67 Standard ER missile in the 1980s. This type of ship was intended primarily to defend aircraft carriers against anti-ship cruise missiles, augmenting and eventually replacing converted World War II cruisers (CAG/CLG/CG) in this role. The guided-missile frigates also had an anti-submarine capability that most of the World War II cruiser conversions lacked. Some of these ships – Bainbridge and Truxtun along with the California and Virginia classes – were nuclear-powered (DLGN).[19] These "frigates" were roughly mid-way in size between cruisers and destroyers. This was similar to the use of the term "frigate" during the age of sail during which it referred to a medium-sized warship, but it was inconsistent with conventions used by other contemporary navies which regarded frigates as being smaller than destroyers. During the 1975 ship reclassification, the large American frigates were redesignated as guided-missile cruisers or destroyers (CG/CGN/DDG), while ocean escorts (the American classification for ships smaller than destroyers, with hull symbol DE/DEG (destroyer escort)) such as the Knox-class were reclassified as frigates (FF/FFG), sometimes called "fast frigates". In the late 1970s, as a gradual successor to the Knox frigates, the US Navy introduced the 51-ship Oliver Hazard Perry-class guided-missile frigates (FFG), the last of which was decommissioned in 2015, although some serve in other navies.[20] By 1995 the older guided-missile cruisers and destroyers were replaced by the Ticonderoga-class cruisers and Arleigh Burke-class destroyers.[21]

One of the most successful post-1945 designs was the British Leander-class frigate, which was used by several navies. Laid down in 1959, the Leander class was based on the previous Type 12 anti-submarine frigate but equipped for anti-aircraft use as well. They were used by the UK into the 1990s, at which point some were sold onto other navies. The Leander design, or improved versions of it, were licence-built for other navies as well.

Nearly all modern frigates are equipped with some form of offensive or defensive missiles, and as such are rated as guided-missile frigates (FFG). Improvements in surface-to-air missiles (e.g., the Eurosam Aster 15) allow modern guided-missile frigates to form the core of many modern navies and to be used as a fleet defence platform, without the need for specialised anti-air warfare frigates.

Modern destroyers and frigates have sufficient endurance and seaworthiness for long voyages and so are considered blue water vessels, while corvettes (even the largest ones capable of carrying an anti-submarine warfare helicopter) are typically deployed in coastal or littoral zones so are regarded as brown-water or green-water vessels.[22] According to Dr. Sidharth Kaushal of the Royal United Services Institute for Defence and Security Studies, describing the difference between 21st century destroyers and frigates, the larger "destroyers can more easily carry and generate the power for more powerful high-resolution radar and a larger number of vertical launch cells. They can thus provide theatre wide air and missile defence for forces such as a carrier battle group and typically serve this function". By contrast the smaller "frigates are thus usually used as escort vessels to protect sea lines of communication or as an auxiliary component of a strike group". The largest and powerful destroyers are often classified as cruisers, such as the Ticonderoga-class cruisers, due to their extra armament and facilities to serve as fleet flagships.[23]

Other uses

The Royal Navy Type 61 (Salisbury class) were "air direction" frigates equipped to track aircraft. To this end they had reduced armament compared to the Type 41 (Leopard-class) air-defence frigates built on the same hull.

Multi-role frigates like the MEKO 200, Anzac and Halifax classes are designed for navies needing warships deployed in a variety of situations that a general frigate class would not be able to fulfill and not requiring the need for deploying destroyers.

Anti-submarine role

HMS Somerset of the Royal Navy. Type 23 frigates were built for anti-submarine warfare but are capable multi-purpose ships.[24]
HMS Somerset of the Royal Navy. Type 23 frigates were built for anti-submarine warfare but are capable multi-purpose ships.[24]

At the opposite end of the spectrum, some frigates are specialised for anti-submarine warfare. Increasing submarine speeds towards the end of World War II (see German Type XXI submarine) greatly reduced the margin of speed superiority of frigate over submarine. The frigate could no longer be slow and powered by mercantile machinery and consequently postwar frigates, such as the Whitby class, were faster.

Such ships carry improved sonar equipment, such as the variable depth sonar or towed array, and specialised weapons such as torpedoes, forward-throwing weapons such as Limbo and missile-carried anti-submarine torpedoes such as ASROC or Ikara. The Royal Navy's original Type 22 frigate is an example of a specialised anti-submarine warfare frigate, though it also has Sea Wolf surface-to-air missiles for point defense plus Exocet surface-to-surface missiles for limited offensive capability.

Especially for anti-submarine warfare, most modern frigates have a landing deck and hangar aft to operate helicopters, eliminating the need for the frigate to close with unknown sub-surface threats, and using fast helicopters to attack nuclear submarines which may be faster than surface warships. For this task the helicopter is equipped with sensors such as sonobuoys, wire-mounted dipping sonar and magnetic anomaly detectors to identify possible threats, and torpedoes or depth-charges to attack them.

With their onboard radar helicopters can also be used to reconnoitre over-the-horizon targets and, if equipped with anti-ship missiles such as Penguin or Sea Skua, to attack them. The helicopter is also invaluable for search and rescue operation and has largely replaced the use of small boats or the jackstay rig for such duties as transferring personnel, mail and cargo between ships or to shore. With helicopters these tasks can be accomplished faster and less dangerously, and without the need for the frigate to slow down or change course.

Air defence role

Frigates designed in the 1960s and 1970s, such as the US Navy's Knox-class frigate, West Germany's Bremen-class frigate, and Royal Navy's Type 22 frigate were equipped with a small number of short-ranged surface-to-air missiles (Sea Sparrow or Sea Wolf) for point defense only.

By contrast newer frigates starting with the Oliver Hazard Perry-class frigate are specialised for "zone-defense" air defence, because of the major developments in fighter jets and ballistic missiles. Recent examples include the De Zeven Provinciën-class air defence and command frigate of the Royal Netherlands Navy. These ships are armed with VL Standard Missile 2 Block IIIA, one or two Goalkeeper CIWS systems, (HNLMS Evertsen has two Goalkeepers, the rest of the ships have the capacity for another one.) VL Evolved Sea Sparrow Missiles, a special SMART-L radar and a Thales Active Phased Array Radar (APAR), all of which are for air defence. Another example is the Iver Huitfeldt class of the Royal Danish Navy.[25]

Further developments

The stealthy Shivalik-class frigate of the Indian Navy
The stealthy Shivalik-class frigate of the Indian Navy
The stealthy La Fayette class of the French Navy that introduced the Stealth Technology in the early 1990s
The stealthy La Fayette class of the French Navy that introduced the Stealth Technology in the early 1990s

Stealth technology has been introduced in modern frigate design by the French La Fayette class design.[26] Frigate shapes are designed to offer a minimal radar cross section, which also lends them good air penetration; the maneuverability of these frigates has been compared to that of sailing ships. Examples are the Italian and French Horizon class with the Aster 15 and Aster 30 missile for anti-missile capabilities, the German F125 and Sachsen-class frigates, the Turkish TF2000 type frigates with the MK-41 VLS, the Indian Shivalik, Talwar and Nilgiri classes with the Brahmos missile system and the Malaysian Maharaja Lela class with the Naval Strike Missile.

The modern French Navy applies the term first-class frigate and second-class frigate to both destroyers and frigates in service. Pennant numbers remain divided between F-series numbers for those ships internationally recognised as frigates and D-series pennant numbers for those more traditionally recognised as destroyers. This can result in some confusion as certain classes are referred to as frigates in French service while similar ships in other navies are referred to as destroyers. This also results in some recent classes of French ships such as the Horizon class being among the largest in the world to carry the rating of frigate.

The Frégates de Taille Intermédiaire (FTI), which means frigates of intermediate size, is a French military program to design and create a planned class of frigates to be used by the French Navy. At the moment, the program consists of five ships, with commissioning planned from 2023 onwards.[27]

Baden-Württemberg, an F125-class frigate of the German Navy; currently the biggest frigates worldwide.
Baden-Württemberg, an F125-class frigate of the German Navy; currently the biggest frigates worldwide.

In the German Navy, frigates were used to replace aging destroyers; however in size and role the new German frigates exceed the former class of destroyers. The future German F125-class frigates are the largest class of frigates worldwide with a displacement of more than 7,200 tons. The same was done in the Spanish Navy, which went ahead with the deployment of the first Aegis frigates, the Álvaro de Bazán-class frigates.

The Myanmar Navy is producing modern frigates with a reduced radar cross section known as the Kyan Sittha-class frigate. Before the Kyan Sittha class, the Myanmar Navy also produced an Aung Zeya-class frigate. Although the size of the Myanmar Navy is quite small, it is producing modern guided-missile frigates with the help of Russia, China, and India. However, the fleets of the Myanmar Navy are still expanding with several on-going shipbuilding programmes, including one 135 m (442 ft 11 in), 4,000-tonne frigate with the vertical missile launch systems.[28] The four planned Tamandaré-class frigates of the Brazilian Navy will be responsible for introduce ships with stealth technology in the national navy and the Latin American region, with the first boat launched in 2024.[29][30]

Littoral combat ship (LCS)

Some new classes of ships similar to corvettes are optimized for high-speed deployment and combat with small craft rather than combat between equal opponents; an example is the U.S. littoral combat ship (LCS). As of 2015, all Oliver Hazard Perry-class frigates in the United States Navy have been decommissioned, and their role partially being assumed by the new LCS. While the LCS class ships are smaller than the frigate class they will replace, they offer a similar degree of weaponry while requiring less than half the crew complement and offering a top speed of over 40 knots (74 km/h; 46 mph). A major advantage for the LCS ships is that they are designed around specific mission modules allowing them to fulfill a variety of roles. The modular system also allows for most upgrades to be performed ashore and installed later into the ship, keeping the ships available for deployment for the maximum time.

The latest U.S. deactivation plans mean that this is the first time that the U.S. Navy has been without a frigate class of ships since 1943 (technically USS Constitution is rated as a frigate and is still in commission, but does not count towards Navy force levels).[31]

The remaining 20 LCSs to be acquired from 2019 and onwards that will be enhanced will be designated as frigates, and existing ships given modifications may also have their classification changed to FF as well.[32]

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List of frigates of World War II

List of frigates of World War II

This is a list of frigates of World War II. The list includes frigate-class ships, such as US Navy "destroyer escorts", and British "escort destroyers" and sloops but US Navy "escort destroyers", are destroyer-class vessels and found in that list.

Loch-class frigate

Loch-class frigate

The Loch class was a class of anti-submarine (A/S) frigate built for the Royal Navy and her Allies during World War II. They were an innovative design based on the experience of three years of fighting in the Battle of the Atlantic and attendant technological advances. Some shipyards had trouble building these larger ships, which led to widespread use of the Castle-class corvette, introduced around the same time.

California

California

California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2 million residents across a total area of approximately 163,696 square miles (423,970 km2), it is the most populous U.S. state and the third-largest by area. It is also the most populated subnational entity in North America and the 34th most populous in the world. The Greater Los Angeles and San Francisco Bay areas are the nation's second and fifth most populous urban regions respectively, with the former having more than 18.7 million residents and the latter having over 9.6 million. Sacramento is the state's capital, while Los Angeles is the most populous city in the state and the second most populous city in the country. San Francisco is the second most densely populated major city in the country. Los Angeles County is the country's most populous, while San Bernardino County is the largest county by area in the country. California borders Oregon to the north, Nevada and Arizona to the east, the Mexican state of Baja California to the south; and it has a coastline along the Pacific Ocean to the west.

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.

Corvette

Corvette

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

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.

Destroyer escort

Destroyer escort

Destroyer escort (DE) was the United States Navy mid-20th-century classification for a 20-knot warship designed with the endurance necessary to escort mid-ocean convoys of merchant marine ships.

Black Swan-class sloop

Black Swan-class sloop

The Black Swan class and Modified Black Swan class were two classes of sloop of the Royal Navy and Royal Indian Navy. Twelve Black Swans were launched between 1939 and 1943, including four for the Royal Indian Navy; twenty-five Modified Black Swans were launched between 1942 and 1945, including two for the Royal Indian Navy; several other ships were cancelled.

Castle-class corvette

Castle-class corvette

The Castle-class corvette was an ocean going convoy escort developed by the United Kingdom during the Second World War. It was the follow-on to the Flower-class corvette, and designed to be built in shipyards that were producing the Flowers. The Castle-class was a general improvement over the smaller Flowers which were designed for coastal rather than open ocean use.

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.

River-class frigate

River-class frigate

The River class was a class of 151 frigates launched between 1941 and 1944 for use as anti-submarine convoy escorts in the North Atlantic. The majority served with the Royal Navy and Royal Canadian Navy (RCN), with some serving in the other Allied navies: the Royal Australian Navy (RAN), the Free French Naval Forces, the Royal Netherlands Navy and, post-war, the South African Navy.

Hedgehog (weapon)

Hedgehog (weapon)

The Hedgehog was a forward-throwing anti-submarine weapon that was used primarily during the Second World War. The device, which was developed by the Royal Navy, fired up to 24 spigot mortars ahead of a ship when attacking a U-boat. It was deployed on convoy escort warships such as destroyers and corvettes to supplement the depth charges.

Frigates in preservation

A few frigates have survived as museum ships. They are:

Original sailing frigates

Replica sailing frigates

Steam frigates

Modern era frigates

Former museums

  • Dominican frigate Mella was on display in the Dominican Republic from 1998 to 2003, when she was scrapped due to her deteriorating condition.
  • KD Rahmat was on display in Lumut, Malaysia from 2011 to 2017. She sank at her moorings due to poor condition, and was later scrapped.
  • RFS Druzhnyy was on display in Moscow, Russia from 2002 to 2016, until the museum plans fell through and was sold for scrap.
  • HMS Plymouth (F126) was on display in Birkenhead, England from 1990 to 2006, when the museum that operated her was forced to close. She was later scrapped in 2012.
  • CNS Nanchong (FF-502) was on display in Qingdao, China from 1988 to 2012, when her faulty material made preservation difficult and was later scrapped.

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Boston

Boston

Boston, officially the City of Boston, is the capital and largest city of the Commonwealth of Massachusetts and the cultural and financial center of the New England region of the Northeastern United States. The city boundaries encompass an area of about 48.4 sq mi (125 km2) and a population of 675,647 as of 2020. The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater Boston, a metropolitan statistical area (MSA) home to a census-estimated 4.8 million people in 2016 and ranking as the tenth-largest MSA in the country. A broader combined statistical area (CSA), generally corresponding to the commuting area and including Worcester, Massachusetts and Providence, Rhode Island, is home to approximately 8.2 million people, making it the sixth most populous in the United States.

Dom Fernando II e Glória

Dom Fernando II e Glória

Dom Fernando II e Glória is a wooden-hulled, 50-gun frigate of the Portuguese Navy. She was launched in 1843 and made her maiden voyage in 1845. Built at the shipyard of Daman in Portuguese India, it was Portugal's last sailing warship to be built and also the last ship that undertook the Carreira da Índia, a regular military line that connected Portugal to its colonies in India since the beginning of the 16th century.

Almada

Almada

Almada is a city and a municipality in Portugal, located on the southern margin of the Tagus River, on the opposite side of the river from Lisbon. The two cities are connected by the 25 de Abril Bridge. The population of the municipality in 2011 was 174,030, in an area of 70.21 km2. The urbanized core center, the city of Almada proper, had a population of 101,500 in 2001. It makes part of the Lisbon Metropolitan Area.

Portugal

Portugal

Portugal, officially the Portuguese Republic, is a country located on the Iberian Peninsula, in southwestern Europe, and whose territory also includes the Atlantic archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, and its Iberian portion is bordered to the west and south by the Atlantic Ocean and to the north and east by Spain, the sole country to have a land border with Portugal. Its two archipelagos form two autonomous regions with their own regional governments. Lisbon is the capital and largest city by population.

HMS Trincomalee

HMS Trincomalee

HMS Trincomalee is a Royal Navy Leda-class sailing frigate built shortly after the end of the Napoleonic Wars. She is now restored as a museum ship afloat in the National Museum of the Royal Navy, Hartlepool, England.

Hartlepool

Hartlepool

Hartlepool is a seaside and port town in County Durham, England. It is governed by a unitary authority borough named after the town which also governs the civil parishes of Greatham, Hart, Dalton Piercy and Elwick. The borough is part of the devolved Tees Valley area. With an estimated population of 90,123, it is the second-largest settlement in County Durham.

England

England

England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea area of the Atlantic Ocean to the southwest. It is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain, which lies in the North Atlantic, and includes over 100 smaller islands, such as the Isles of Scilly and the Isle of Wight.

HMS Unicorn (1824)

HMS Unicorn (1824)

HMS Unicorn is a surviving sailing frigate of the successful Leda class, although the original design had been modified by the time that the Unicorn was built, to incorporate a circular stern and "small-timber" system of construction. Listed as part of the National Historic Fleet, Unicorn is now a museum ship in Dundee, Scotland, United Kingdom. She is the oldest ship in Scotland, one of the six oldest ships in the world, and one of the last intact warships from the age of sail.

Dundee

Dundee

Dundee is Scotland's fourth-largest city and the 51st-most-populous built-up area in the United Kingdom. The mid-year population estimate for 2016 was 148,210, giving Dundee a population density of 2,478/km2 or 6,420/sq mi, the second-highest in Scotland. It lies within the eastern central Lowlands on the north bank of the Firth of Tay, which feeds into the North Sea. Under the name of Dundee City, it forms one of the 32 council areas used for local government in Scotland.

French frigate Hermione (2014)

French frigate Hermione (2014)

Hermione is a 32-gun Concorde-class frigate fitted for 12-pounder guns, completed in Rochefort by the Asselin organisation in 2014. It is a reproduction of the 1779 Hermione, which achieved fame by ferrying General La Fayette to the United States in 1780 to allow him to rejoin the American side in the American Revolutionary War.

Gilbert du Motier, Marquis de Lafayette

Gilbert du Motier, Marquis de Lafayette

Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de La Fayette, known in the United States as Lafayette, was a French aristocrat, freemason and military officer who fought in the American Revolutionary War, commanding American troops in several battles, including the siege of Yorktown. After returning to France, he was a key figure in the French Revolution of 1789 and the July Revolution of 1830. He has been considered a national hero in both countries.

Hornblower (TV series)

Hornblower (TV series)

Hornblower is a series of British historical fiction war television films based on three of C. S. Forester's ten novels about the fictional character Horatio Hornblower, a Royal Navy officer during the French Revolutionary and Napoleonic Wars.

Operators

Disputed classes

These ships are classified by their respective nations as frigates, but are considered destroyers internationally due to size, armament, and role.

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.

Koni-class frigate

Koni-class frigate

The Koni class is the NATO reporting name for an anti-submarine warfare frigate built by the Soviet Union. They were known in the Soviet Union as Project 1159. 14 were built in Zelenodolsk shipyard between 1975 and 1988. They were originally intended to replace the older Riga-class frigates, but were instead chosen as a design for export to various friendly navies. The Koni I sub class were designed for European waters and the Koni II were made for warmer waters. One ship was retained by the Soviets in the Black Sea for training foreign crews. Only a few of these vessels remain in service today.

Adhafer-class corvette

Adhafer-class corvette

The Adhafer-class corvette is a type of stealth corvette belonging to the Algerian Navy. They are built in China by China State Shipbuilding Corporation CSSC in its Hudong-Zhonghua shipyard in Shanghai. The ship is 120 metres long and 14.4 metres wide and has a standard displacement of 2,880 tons. Three Adhafer-class ships were commissioned, with an option for three others of the same type. The first unit was launched on 15 August 2014 and commissioned in November 2015. The second and third were both commissioned in 2016.

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.

Anzac-class frigate

Anzac-class frigate

The Anzac class is a ship class of ten frigates; eight operated by the Royal Australian Navy (RAN) and two operated by the Royal New Zealand Navy (RNZN). During the 1980s, the RAN began plans to replace the River-class destroyer escorts with a mid-capability patrol frigate and settled on the idea of modifying a proven German design for Australian conditions. Around the same time, the RNZN was seeking to replace their Leander-class frigates while maintaining blue-water capabilities. A souring of relations between New Zealand and the United States of America in relation to New Zealand's nuclear-free zone and the ANZUS security treaty prompted New Zealand to seek improved ties with other nations, particularly Australia. As both nations were seeking warships of similar capabilities, the decision was made in 1987 to collaborate on their acquisition. The project name is taken from the Australian and New Zealand Army Corps of the First World War.

Azerbaijani Navy

Azerbaijani Navy

The Azerbaijan Navy is the naval component of the Azerbaijani Armed Forces operating in the Caspian Sea.

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.

Hamilton-class cutter

Hamilton-class cutter

The Hamilton-class cutter was the largest class of vessel in the United States Coast Guard until replaced by the Legend-class cutter, aside from the Polar-class icebreaker. The hull classification symbol is prefixed WHEC. The cutters are called the Hamilton class after their lead ship, or the "Secretary class" because most of the vessels in the class were named for former Secretaries of the Treasury.

Belgian Navy

Belgian Navy

The Belgian Navy, officially the Belgian Naval Component of the Belgian Armed Forces, is the naval service of Belgium.

Karel Doorman-class frigate

Karel Doorman-class frigate

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.

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.

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.

Hunter-class frigate

Hunter-class frigate

The Hunter-class frigate is a future class of heavy frigates for the Royal Australian Navy (RAN) to replace the Anzac class. Construction is expected to begin in 2022, with the first of nine vessels to enter service in 2031.

Belgian Navy

Belgian Navy

The Belgian Navy, officially the Belgian Naval Component of the Belgian Armed Forces, is the naval service of Belgium.

Anti-Submarine Warfare Frigate (Koninklijke Marine)

Anti-Submarine Warfare Frigate (Koninklijke Marine)

The Anti-Submarine Warfare Frigate (ASWF) is a project of the Royal Netherlands Navy and Belgian Navy to replace the existing Multipurpose- or M-frigates. The project shows similarities to the British Global Combat Ship but development is fully separate.

Karel Doorman-class frigate

Karel Doorman-class frigate

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.

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.

Niterói-class frigate

Niterói-class frigate

The Niterói-class frigates are a class of frigates of the Brazilian Navy.

Canadian Surface Combatant

Canadian Surface Combatant

The Canadian Surface Combatant, formerly the Single Class Surface Combatant Project is the name given to the procurement project that will replace the Iroquois and Halifax-class warships with up to 15 new ships beginning in the mid to late 2020s as part of the National Shipbuilding Procurement Strategy.

Iroquois-class destroyer

Iroquois-class destroyer

Iroquois-class destroyers, also known as Tribal class or DDG 280 class, were a class of four helicopter-carrying, guided missile destroyers of the Royal Canadian Navy. The ships were named to honour the First Nations of Canada.

Halifax-class frigate

Halifax-class frigate

The Halifax-class frigate, also referred to as the City class, is a class of multi-role patrol frigates that have served the Royal Canadian Navy since 1992. The class is the outcome of the Canadian Patrol Frigate Project, which dates to the mid-1970s. HMCS Halifax was the first of an eventual twelve Canadian-designed and Canadian-built vessels which combine traditional anti-submarine capabilities with systems to deal with surface and air threats as well. All ships of the class are named after a major city in each province plus the cities of Ottawa and Montreal.

People's Liberation Army Navy

People's Liberation Army Navy

The People's Liberation Army Navy, also known as the People's Navy, Chinese Navy, or PLA Navy, is the maritime service branch of the People's Liberation Army, and the largest naval power in the world.

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.

Source: "Frigate", Wikipedia, Wikimedia Foundation, (2023, March 25th), https://en.wikipedia.org/wiki/Frigate.

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See also
References

Citations

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