Triomphant class submarine

Téméraire Template:Infobox ship class overviewp
General characteristics
Type:	Ballistic missile submarine
Displacement:	12,640 tonne (surfaced) 14,335 tonne (submerged)
Length:	138 m (453 ft)
Beam:	12.50 m (41.0 ft)
Draught:	10.60 m (34.8 ft)
Propulsion:	K15 pressurized water reactor (150 MW (200,000 hp)), turboreductor system, Pump-jet two diesel-powered generators SEMT Pielstick 8PA4V200 SM (700 kW (940 hp)) auxiliaries. 30,500 kW (40,900 hp)
Speed:	over 25 kn (46 km/h)
Range:	Unlimited distance; 20–25 years
Test depth:	Over 400 m (1,300 ft)
Complement:	15 officers 96 sailors
Sensors and processing systems:	Sonar DMUX 80 Sonar DUUX 5 Sonar DSUV 61B Very Low Frequency Racal Decca radar (navigation) SCC : SET (Système d'exploitation Tactique) : tactical operational system
Electronic warfare & decoys:	ARUR 13
Armament:	Nuclear : 16 M45 or M51 missiles with TN 75 warheads four 533 mm (21 in) torpedo tubes for F17 torpedoes and Exocet SM39 anti-ship missiles, launchable while submerged

Template:Infobox ship class overviewp

The Triomphant class of ballistic missile submarines of the French Navy is the active class of four boats that entered service in 1997, 1999, 2004, and 2010. These four supersede the older Redoutable class, and they provide the ocean-based component (the Force océanique stratégique) of France's nuclear deterrent strike force, the Force de Frappe. These ships are the most expensive submarines ever produced costing more than €4 billion. Their home port is Île Longue, Brest, Western Brittany.

The first three boats are all armed with the French-produced and armed M45 intermediate-range missile, and the fourth vessel, Terrible, has tested and is equipped with the more advanced M51 missile. Each of the first three boats are to be retrofitted to the M51 missile standard, starting with Vigilant in 2010, then Triomphant and ending with Téméraire in 2018.

In French, these are called Sous-Marin Nucléaire Lanceur d'Engins de Nouvelle Génération (English: "Next Generation Device-Launching Nuclear Submarine"), abbreviated as SNLE-NG. They have replaced all of the Redoutable-class boats, with the last of those six boats being decommissioned in 2008. These submarines carry 16 submarine-launched ballistic missile launching tubes apiece.

This class reportedly produces approximately 1/1000 of the detectable noise of the Redoutable-class boats (submarines), and they are ten times more sensitive in detecting other submarines. Initially armed with the M45 missile, they are designed to carry the new M51 missile, which entered active service in 2010. As of October 2010^[update], an M51 has been test-fired from one of these submarines across the Atlantic Ocean from near France to the west, and is equipped on Terrible.

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