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Triomphant-class submarine

triomphant class submarine, triomphant class submarine cutaway drawings
The Triomphant class of ballistic missile submarines of the French Navy is the active lead boat 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 €9 billion Their home port is Île Longue, Brest, Western Brittany


  • 1 Design and construction
  • 2 SNLE-NG
  • 3 List of submarines
  • 4 Service history
  • 5 Gallery
  • 6 See also
  • 7 References
  • 8 External links

Design and constructionedit

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 missile2 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 20183


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 submarines4 Initially armed with the M45 missile, they are designed to carry the new M51 missile, which entered active service in 2010 As of October 2010update, 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

These boats were all constructed by the DCNS, and they carry an armament of 16 M45 SLBM or M51 SLBM missiles manufactured by the Aérospatiale company now Airbus Defence and Space, plus conventional torpedoes and Exocet anti-ship missiles

List of submarinesedit

The French Navy's goal is to operate a force of four ballistic missile submarines comparable with the Royal Navy's Vanguard-class submarines, of which two are expected to be on patrol at any given time

Name Construction began Launched Commissioned
Triomphant 9 June 1986 26 March 1994 21 March 1997
Téméraire 18 December 1993 21 January 1998 23 December 1999
Vigilant January 1996 19 September 2003 26 November 2004
Terrible 24 October 2000 21 March 2008 20 September 20105

Service historyedit

On 3 February or 4 February 2009, Triomphant collided with the Royal Navy submarine HMS Vanguard; the Royal Navy boat suffered minor scrapes and scratches 6 Triomphant was reported to have proceeded to Brest under her own power, submerged, but with extensive damage to her sonar dome7


See alsoedit

  • List of submarines of France
  • France and weapons of mass destruction


  1. ^ "French Audit Report Reveals Weapon Prices, A400M Details" defence-aerospacecom 18 February 2010 Retrieved 7 August 2015 
  2. ^ AFP: La marine française met un quatrième sous-marin nucléaire en servicedead link
  3. ^ "IA M51 : Chape de plomb sur le nucléaire" Mer et Marine 4 October 2010 Archived from the original on 9 October 2010 Retrieved 4 October 2010 
  4. ^ Le Triomphant Archived 21 May 2014 at the Wayback Machine
  5. ^ "Le Terrible entre en service actif" Ministry of Defense France 1 October 2010 Retrieved 1 October 2010 dead link
  6. ^ "Nuclear subs collide in Atlantic" BBC News 16 February 2009 Retrieved 5 June 2016 
  7. ^ "Unthinkable" London: The Sun 16 February 2009 Archived from the original on 17 February 2009 Retrieved 7 August 2015 

External linksedit

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Triomphant-class submarine

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