The ''Sauro '' class were a group of four

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 ...

s built for the (Royal Italian Navy) in the late 1920s. They were based in the

Red Sea The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; T ...

Italian colony of

Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...

and all fought in

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

being sunk during the East African Campaign in 1941.

Design and description

The ''Sauro''-class destroyers were enlarged and improved versions of the preceding . They had an

overall length The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads i ...

of , a beam of and a mean

draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vessel ...

of . They displaced at

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object th ...

load, and at

deep load The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into wei ...

. Their complement was 8–10 officers and 146 enlisted men. The ''Sauro''s were powered by two

Parsons Parsons may refer to: Places In the United States: * Parsons, Kansas, a city * Parsons, Missouri, an unincorporated community * Parsons, Tennessee, a city * Parsons, West Virginia, a town * Camp Parsons, a Boy Scout camp in the state of Washingt ...

geared

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...

s, each driving one propeller shaft using steam supplied by three

Yarrow boiler Yarrow boilers are an important class of high-pressure water-tube boilers. They were developed by Yarrow & Co. (London), Shipbuilders and Engineers and were widely used on ships, particularly warships. The Yarrow boiler design is characteristic ...

s. The turbines were rated at for a speed of in service,Roberts, p. 298 although the ships reached speeds in excess of during their

sea trial A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a " shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and ...

s while lightly loaded. They carried enough

fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...

to give them a range of at a speed of .Whitley, p. 160 Their

main battery A main battery is the primary weapon or group of weapons around which a warship is designed. As such, a main battery was historically a gun or group of guns, as in the broadsides of cannon on a ship of the line. Later, this came to be turreted ...

consisted of four guns in two twin-

gun turret A gun turret (or simply turret) is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn and aim. A modern gun turret is generally a rotatable weapon mount that houses the crew or mechani ...

s, one each fore and aft of the

superstructure A superstructure is an upward extension of an existing structure above a baseline. This term is applied to various kinds of physical structures such as buildings, bridges, or ships. Aboard ships and large boats On water craft, the superstruct ...

.Fraccaroli, p. 47 Anti-aircraft (AA) defense for the ''Sauro''-class ships was provided by a pair of

AA gun Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...

s in single mounts

amidships This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). Some remain current, while many date from the 17th t ...

and a pair of machine guns. They were equipped with six

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s in two triple mounts amidships. The ''Sauro''s could also carry 52 mines.

Ships

These ships formed the 3rd Squadrilla and were based in the Red Sea.

Operational history

The destroyers were outfitted for colonial service, and by 1935 they were deployed in the naval base of

Massawa Massawa ( ; ti, ምጽዋዕ, məṣṣəwaʿ; gez, ምጽዋ; ar, مصوع; it, Massaua; pt, Maçuá) is a port city in the Northern Red Sea region of Eritrea, located on the Red Sea at the northern end of the Gulf of Zula beside the Dahlak ...

. Italian's entry in World War II left

Italian East Africa Italian East Africa ( it, Africa Orientale Italiana, AOI) was an Italian colony in the Horn of Africa. It was formed in 1936 through the merger of Italian Somalia, Italian Eritrea, and the newly occupied Ethiopian Empire, conquered in the Seco ...

isolated from Italy.

Attack on convoy BN 7

The only appreciable action in which the destroyers were involved was the attack on the Allied convoy BN 7, on the first hours of 21 October 1940. ''Nullo'' and ''Sauro'', along with ''Leone'' and ''Pantera'' shelled the convoy and its escort, inflicting some splinter damage to the leading transport ship, and launched at least two torpedoes aimed at , which successfully dodged them. The attack was nevertheless repulsed by the cruiser HMS ''Leander'', which fired 129 six-inch rounds on the Italian destroyers. While ''Sauro'' and the other destroyers successfully disengaged, ''Nullo'' was chased by the destroyer and forced to run aground on

Harmil Harmil is an uninhabited island in Eritrea that forms part of the Dahlak Archipelago. The inhabitants are serving members of the Eritrean Navy who have a small outpost on the island. The outpost consists of a series of traditional African circul ...

island, where she was later wrecked by

RAF The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) and ...

Blenheim bomber The Bristol Blenheim is a British light bomber aircraft designed and built by the Bristol Aeroplane Company (Bristol) which was used extensively in the first two years of the Second World War, with examples still being used as trainers until t ...

s. ''Kimberley'' took two hits on a boiler from coastal batteries, and had to be towed to

Aden Aden ( ar, عدن ' Yemeni: ) is a city, and since 2015, the temporary capital of Yemen, near the eastern approach to the Red Sea (the Gulf of Aden), some east of the strait Bab-el-Mandeb. Its population is approximately 800,000 people. ...

by HMS ''Leander''.

End of the surviving units

The three surviving destroyers remained at dock in Massawa until the very end of ground operations in East Africa. Their commander ordered them to steam out on 2 April 1941, for an almost suicidal attack on

Port Sudan Port Sudan ( ar, بور سودان, Būr Sūdān) is a port city in eastern Sudan, and the capital of the state of Red Sea. , it has 489,725 residents. Located on the Red Sea, Port Sudan is recognized as Sudan's main seaport and the source of 90% ...

. The squadron was soon discovered by British air reconnaissance, and immediately bombed by land-based

Swordfish Swordfish (''Xiphias gladius''), also known as broadbills in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category, though elusive. Swordfis ...

aircraft from the

aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...

. ''Battisti'' managed to reach the Arabian coast, where she was scuttled by her crew. ''Manin'' and ''Sauro'' kept firing their antiaircraft guns until they were sunk by the British planes.Jackson, Ashley (2006). ''The British Empire and the Second World War''. Continuum International Publishing Group, p. 283.

Notes

Bibliography

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External links

Classe Sauro
Marina Militare website {{WWII Italian ships Destroyer classes Destroyers of the Regia Marina Ships built in Italy