French submarine Le Vigilant (S618)

	Le Vigilant
History
France
Name	Le Vigilant
Namesake	"Vigilant"
Cost	€4.282 billion (2010)
Laid down	1997
Launched	19 September 2003
Commissioned	26 November 2004
Homeport	Île Longue
Identification	S618
General characteristics
Class and type	Triomphant-class submarine
Displacement	12 640 tonnes (surfaced); 14 335 t (submerged);
Length	138 m (453 ft)
Beam	12.50 m (41.0 ft)
Draught	10.60 m (34.8 ft)
Propulsion	Pressurised water K15 nuclear reactor (150 MW (200,000 hp)), LEU 7%; turboreductor system; Pump-jet; 2 SEMT Pielstick diesels-alternators 8PA4V200 SM (700 kW (940 hp)) auxiliaries.; 30,500 kW (40,900 hp);
Speed	over 25 knots (46 km/h)
Range	Unlimited distance; 20–25 years
Test depth	Over 400 m (1,300 ft)
Complement	15 officers; 96 men;
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 six to ten TN 75 150kt thermonuclear warheads; Anti-submarine : 4 × 533 mm (21 in) tubes for F17 torpedoes; Anti-surface : Exocet SM39;

Le Vigilant is a Triomphant-class strategic nuclear submarine in service with the French Navy.

References[]

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v t Triomphant-class submarines
Téméraire Terrible Triomphant Vigilant
Preceded by: Redoutable class Followed by: SNLE 3G (planned)
French Navy Current French Navy ships

History
Le Vigilant
France
Name	Le Vigilant
Namesake	"Vigilant"
Cost	€4.282 billion (2010)^[1]
Laid down	1997
Launched	19 September 2003
Commissioned	26 November 2004
Homeport	Île Longue
Identification	S618
General characteristics
Class and type	Triomphant-class submarine
Displacement	12 640 tonnes (surfaced) 14 335 t (submerged)
Length	138 m (453 ft)
Beam	12.50 m (41.0 ft)
Draught	10.60 m (34.8 ft)
Propulsion	Pressurised water K15 nuclear reactor (150 MW (200,000 hp)), LEU 7%;^[2] turboreductor system; Pump-jet 2 SEMT Pielstick diesels-alternators 8PA4V200 SM (700 kW (940 hp)) auxiliaries. 30,500 kW (40,900 hp)
Speed	over 25 knots (46 km/h)
Range	Unlimited distance; 20–25 years
Test depth	Over 400 m (1,300 ft)
Complement	15 officers 96 men
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 six to ten TN 75 150kt thermonuclear warheads^[3]^[4] Anti-submarine : 4 × 533 mm (21 in) tubes for F17 torpedoes Anti-surface : Exocet SM39