Le Triomphant class submarine
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| Le Triomphant class Ballistic missile submarine | |
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| Class Overview | |
| Type: | Ballistic missile submarine |
| Name: | Le Triomphant |
| Number of ships: | 4 |
| Preceded by: | Le Redoutable |
| General characteristics | |
| Displacement: | 12,640 t (surfaced) 14,335 t (submerged) |
| Length: | 138 m |
| Beam: | 12.50 m |
| Draught: | 10.60 m |
| Propulsion: | Pressurised water K15 nuclear reactor (150 MW), turboreductor system, Pump-jet 2 diesels-alternators SEMT Pielstick 8PA4V200 SM (700 kW) auxiliaries. 30,500 kW |
| Speed: | over 25 knots (46 km/h) |
| Range: | Essentially unlimited |
| Complement: | 15 officers 96 men |
| Armament: | Nuclear : 16 M45 SLBM missiles with TN 75 warheads Anti-submarine : 4 x 533 mm tubes for F17 torpedoes |
| Sensors and processing systems: | Sonar DMUX 80 Sonar DUUX 5 |
| Electronic warfare and decoys: | ARUR 13 |
| Ships of the class | |
| Le Triomphant , Le Téméraire , 'Le Vigilant, 'Le Terrible | |
The Triomphant class of strategic missile submarines of the French Navy are currently being introduced into service to provide the sea based component of the French nuclear deterrent or Force de frappe, with the M45 SLBM. They are replacing the Redoutable-class boats. in French, they are called Sous-Marin Nucléaire Lanceur d'Engins de Nouvelle Génération ("SNLE-NG, literally "New Generation Nuclear device-launching submarines").
They are roughly 1000 (one thousand) times quieter than the Redoutable-class vessels, and 10 times more sensitive [1]. They are designed to carry the M51 nuclear missile, which should enter active service around 2010.
The vessels are manufactured by DCN and have a capacity of 16 missiles manufactured by Aerospatiale (now EADS Astrium Space Transportation.)
The French Navy hopes to operate a force of four SSBNs, as with the Royal Navy's Vanguard fleet.
- Le Triomphant : Construction began on 9 June 1989; she was launched on 26 March 1994, and entered active service on 21 March 1997.
- Le Téméraire : Construction began on 18 December 1993; she was launched on 21 January 1998, and entered active service on 23 December 1999.
- Le Vigilant : Construction began in 1997; she was launched in 2003, and entered active service in 2004.
- Le Terrible : Construction began on 24 October 2000 and she is currently under construction. She should join active service by 2008.
 Comparison of different nuclear systems: left, the SNLE (Redoutable type) with the M4 missile; right, the SNLE-NG (Triomphant type) with the present M45 missile and the future M51 missile. |
