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R-29RMU2 Layner

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Title: R-29RMU2 Layner  
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R-29RMU2 Layner

R-29RMU2 Layner
Type Submarine-launched ballistic missile
Place of origin  Russia
Service history
In service 2014
Used by Russian Navy
Production history
Designer Makeyev Rocket Design Bureau
Manufacturer Krasnoyarsk Machine-Building Plant
Specifications
Weight 40 tons
Length 15 m
Diameter 1.9 m
Warhead 12

Engine Three-stage liquid propellant
Guidance
system
Astroinertial with GLONASS

The R-29RMU2 Layner[1] (Russian: Р-29РМУ2 "Лайнер" meaning Liner) is a Russian liquid-fuelled submarine-launched ballistic missile (SLBM) developed by the Makeyev Rocket Design Bureau and produced by the Krasnoyarsk Machine-Building Plant.[2] Derived from the R-29RMU Sineva SLBM, the Layner can carry twelve nuclear warheads, three times as many as Sineva. Reportedly capable of piercing anti-ballistic missile defences, the Layner, with its high payload-mass ratio, was described by its developer as the best ballistic missile in existence. It was expected to enter service with the Russian Navy's Delta IV class submarines after a successful test programme that spanned from May to September 2011. The Russian Navy confirmed in 2014 that the system was now in use.[3]

History and design

On 9 August 2011, the Russian Ministry of Defense disclosed the details of the Layner SLBM, whose first launch occurred on 20 May earlier that year.[2][4] The authorities originally claimed the launch to be of a Sineva missile, but on 23 May 2011 revealed the missile fired was actually the Layner.[5][6] The successful firing, aimed at the Kura Test Range, was conducted from the submarine K-84 Ekaterinburg.[2][7]

Submarine docked in pier in snow-covered landscape.
K-114 Tula, one of the seven Delta IV class submarines of the Russian Navy, launched the second Layner in September 2011.

The second launch of the Layner missile took place on 29 September 2011 from the submarine K-114 Tula in the Barents Sea aimed at the Kura Test Range.[8][9] Following the second successful Layner test, the Russian Navy decided to accept the missile into active service to augment the RSM-56 Bulava missile and improve the future viability of the Delta IV class submarines until at least 2030.[10][11] Development work on the missile was completed by late February 2012.[12] Missile was recommended by the State Commission for adoption as of December 2012.[13] Missile weapons complex D-29RMU2.1 with missile R-29RMU2.1 accepted for service by decree of the President of the Russian Federation in January 2014.[14]

The Layner missile is a highly advanced derivative of the three-stage liquid-propelled R-29RMU Sineva SLBM, which was accepted into service in 2007.[2][15] While many technical details are not disclosed, it is known that the missile is capable of carrying up to twelve low-yield nuclear warheads called MIRVs capable of striking several targets individually.[15] This is twice the number of warheads the solid-propellant RSM-56 Bulava SLBM can carry, and, unlike those of the Sineva SLBM, these warheads can be of a mixed set with various yields.[11] While it shares flight characteristics with the Sineva, the Layner is equipped with improved systems to overcome anti-ballistic missile shields.[16] The missile can carry ten low-yield warheads with penetration aids, eight low-yield warheads with more penetration aids, four medium-yield warheads with penetration aids.[17]

References

  1. ^ McDowell, Jonathan. "S: Suborbital launches (apogee 80+ km)". Jonathan's Space Page. Retrieved 2 January 2012. 
  2. ^ a b c d Внезапный "Лайнер" [Sudden "Liner"].  
  3. ^ http://lenta.ru/news/2014/04/02/liner/
  4. ^ "New Russian Missile Blows Away Competition".  
  5. ^ "What is Liner SLBM?". Russian Strategic Nuclear Forces. Russianforces.org. 23 May 2011. Retrieved 12 February 2012. 
  6. ^ В России создана ракета в два раза мощнее "Булавы" [In Russia, the launcher twice as powerful "Bulava"].  
  7. ^ "Another Sineva launch from Ekaterinburg submarine". Russian Strategic Nuclear Forces. Russianforces.org. 20 May 2011. Retrieved 12 February 2012. 
  8. ^ Минобороны успешно запустило новую баллистическую ракету [Ministry of Defense has successfully launched a new ballistic missile].  
  9. ^ "Russia successfully tests new strategic missile".  
  10. ^ "Liner missile to enter Russia Navy".  
  11. ^ a b "Liner missile won't substitute Bulava – source".  
  12. ^ "Russia Finished Development of SLBM Liner". Rusnavy.com. 24 February 2011. Retrieved 25 February 2012. 
  13. ^ http://www.makeyev.ru/infores/news/623
  14. ^ http://www.makeyev.ru/infores/news/786
  15. ^ a b "New submarine supermissile can pierce ABM shield".  
  16. ^ "Лайнер" пойдет в тираж ["Liner" will enter service].  
  17. ^ http://russianforces.org/blog/2011/10/liner_slbm_explained.shtml
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