French Tanker Somme
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The French tanker ''Somme'' is a command and replenishment tanker (french: Bâtiment de commandement et de ravitaillement, BCR) of the
French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , 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 t ...
. In addition to its primary duty as a fleet tanker, ''Somme'' is configured as a
flagship A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically the fi ...
and has served as such in the Indian Ocean. The vessel was constructed at La Seyne, France beginning in 1985 and entered service in 1990. In October 2009, the ship was mistakenly attacked by
pirates Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable goods. Those who conduct acts of piracy are called pirates, v ...
off the
coast The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in n ...
of Somalia. The attack was repelled and the pirates captured.


Design and description

In French service, the final three tankers are called ''Bâtiment de commandement et ravitailleur'' (BCR, "command and replenishment ship"). In addition to their role as a fleet tanker, the three ships dubbed BCR can accommodate an entire general staff and thus supervise naval operations as a
command ship Command ships serve as the flagships of the commander of a fleet. They provide communications, office space, and accommodations for a fleet commander and their staff, and serve to coordinate fleet activities. An auxiliary command ship features ...
. The three ships of the class designated BCRs, , and ''Somme'' all have superstructures that were extended aft by to accommodate the additional staff requirements. The BCRs have one crane positioned along the centreline. ''Somme'' has a standard displacement of and at full load. The oiler is
long overall __NOTOC__ Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, an ...
and
between perpendiculars Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the stern ...
with a
beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...
of and a draught of empty and at full load. ''Somme'' is powered by two
SEMT Pielstick SEMT Pielstick was a French company that designed and built large diesel engines. Its full name was (Company of Thermal Machines Studies). Founded in 1948, SEMT was bought by MAN Diesel in 2006 During its existence as an independent compa ...
16 PC2.5 V 400
diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...
s turning two LIPS
controllable pitch propeller In marine propulsion, a variable-pitch propeller is a type of propeller with blades that can be rotated around their long axis to change the blade pitch. Reversible propellers—those where the pitch can be set to negative values—can also ...
s rated at . The vessel has a maximum speed of and a range of at . ''Somme'' has two dual solid/liquid underway transfer stations per side and can replenish two ships per side and one astern. The ship initially had capacity for of
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 ...
, of
diesel fuel Diesel fuel , also called diesel oil, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a result of compression of the inlet air and t ...
, of JP-5
aviation fuel Aviation fuels are petroleum-based fuels, or petroleum and synthetic fuel blends, used to power aircraft. They have more stringent requirements than fuels used for ground use, such as heating and road transport, and contain additives to enhanc ...
, of distilled water, of provisions, of munitions and of spare parts. These numbers change with the needs of the fleet. The ''Durance''-class tankers all mount a
flight deck The flight deck of an aircraft carrier is the surface from which its aircraft take off and land, essentially a miniature airfield at sea. On smaller naval ships which do not have aviation as a primary mission, the landing area for helicopters ...
over the stern and a
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'' ("enclosure near a house"), of Germanic origin, from Frankish ...
. The ships utilise
Aérospatiale Alouette III The Aérospatiale Alouette III (, ''Lark''; company designations SA 316 and SA 319) is a single-engine, light utility helicopter developed by France, French aircraft company Sud Aviation. During its production life, it proved to be a relatively p ...
and
Westland Lynx The Westland Lynx is a British multi-purpose twin-engined military helicopter designed and built by Westland Helicopters at its factory in Yeovil. Originally intended as a utility craft for both civil and naval usage, military interest led t ...
helicopters but are capable of operating larger ones from their flight deck. For defence, ''Somme'' initially mounted one Bofors 40 mm/L60
anti-aircraft 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, ...
(AA) gun in a single
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 ...
and two AA guns in a twin turret. The ship is equipped with two DRBN 34 navigational
radar Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
s. The armament was later altered by removing the 20 mm guns and adding four
M2 Browning machine gun The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") is a heavy machine gun that was designed towards the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, w ...
s and three launchers for Simbad Mistral
surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground to destroy aircraft or other missiles. It is one type of anti-aircraft syst ...
s. The ship has a complement of 162 and is capable of accommodating 250 personnel.


Construction and career

The fifth and final tanker of the ''Durance'' class was ordered in March 1984 as part of the 1984–1988 plan. The vessel was
laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...
on 3 May 1985 by Normed at their yard in La Seyne, France. Named for a
river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
in France, the ship was launched on 3 October 1987 and given the
pennant number In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant number (an internationalisation of ''pendant number'', which it was called before 1948). Historically, naval ships flew a flag that iden ...
A 631. ''Somme'' was commissioned into the
French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , 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 t ...
on 7 March 1990. The ''Durance''-class ships were assigned to the ''Force d'action navale'' (FAR, "
Naval Action Force The ''Force d'action navale'' (FAN, Naval Action Force) is the 9,600-man and about 100-ship force of surface warships of the French Navy. As of 2018, it is commanded by Vice-Amiral d’Escadre Jean-Philippe Rolland. The ships are divided into se ...
") after entering service. One of the BCRs is assigned to Indian Ocean as
flagship A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically the fi ...
of the French naval forces in the region. The ship is home ported in
Brest Brest may refer to: Places *Brest, Belarus **Brest Region **Brest Airport **Brest Fortress *Brest, Kyustendil Province, Bulgaria *Břest, Czech Republic *Brest, France **Arrondissement of Brest **Brest Bretagne Airport ** Château de Brest *Brest, ...
, France. In April 2008, the commander of ALINDIEN, the French command in the Indian Ocean, commanded the strike from ''Somme'' that freed the yacht from
Somali pirates Somali may refer to: Horn of Africa * Somalis, an inhabitant or ethnicity associated with Greater Somali Region ** Proto-Somali, the ancestors of modern Somalis ** Somali culture ** Somali cuisine ** Somali language, a Cushitic language ** Somal ...
. Serving as the command vessel for the French forces participating in
Operation Atalanta Operation Atalanta, formally European Union Naval Force (EU NAVFOR) Somalia, is a current counter-piracy military operation at sea off the Horn of Africa and in the Western Indian Ocean, that is the first naval operation conducted by the E ...
, ''Somme'' was attacked approximately off the Somali coast in the night of 6 to 7 October 2009 by two motorboats of Somali pirates who mistook ''Somme'' for a civilian ship. ''Somme'' repelled the assault rifle attack without sustaining damage or casualties and captured five of the pirates. At the end of 2018, ''Somme'' underwent a refit at Brest, returning to service on 5 June 2019. In October 2019, ''Somme'' was deployed as part of Operation Corymbe, the French naval mission to the
Gulf of Guinea The Gulf of Guinea is the northeasternmost part of the tropical Atlantic Ocean from Cape Lopez in Gabon, north and west to Cape Palmas in Liberia. The intersection of the Equator and Prime Meridian (zero degrees latitude and longitude) is in the ...
, marking the first time a command ship was deployed there. During the deployment, ''Somme'' participated in the African
naval exercise A military exercise or war game is the employment of military resources in training for military operations, either exploring the effects of warfare or testing strategies without actual combat. This also serves the purpose of ensuring the comb ...
Grand African Nemo with 18 African nations. As of late 2021, of the original five ''Durance''-class ships in the French Navy, only ''Somme'' and her sister ship ''Marne'' remained in service. The last two ships were expected to be replaced by the new ''Jacques Chevallier''-class vessels and retire between 2022 and 2025. In 2022 it was indicated that ''Somme'' would continue in service until 2027 when she is planned to be replaced by the third of the ''Jacques Chevallier''-class support ships, ''Émile Bertin''.


Citations


References

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External links

* * {{DEFAULTSORT:Somme 1987 ships Durance-class tankers Ships built in France Maritime incidents in 2009 France–Somalia relations