Russian submarine K - 114 Tula Tula ( K - 114 ) ( ) is a Project 667BDRM " Delfin " - class ( NATO reporting name : Delta - IV ) nuclear - powered ballistic missile submarine ( SSBN ) . As such , she carries a complement of R - 29RM " Shtil " and R - 29RMU " Sineva " nuclear submarine - launched ballistic missile s ( SLBM ) as her primary deterrent mission , along with anti - ship missile s and torpedo es , the latter for self - defense . Built in Severodvinsk during the late 1980s , she served with the Soviet Navy before being transferred to the Russian Navy following the dissolution of the Soviet Union . " Tula " underwent an extensive overhaul during 2000 – 2004 and was fitted with " Shtil " SLBMs , several of which were launched from her during her later operational life . She was sponsored by the city of Tula , and is homeported in Gadzhiyevo . Construction . Construction of the nuclear submarine " Tula " ( K - 114 ) began at the Northern Machinebuilding Enterprise ( Sevmash ) in Severodvinsk on 22 February 1984 , before being commissioned into the Soviet Navy on 30 October 1987 . She was the fourth of the seven - boat Project 667BDRM " Delfin " class , which was developed at the Rubin Design Bureau in September 1975 . A ballistic missile submarine , she was designed primarily to carry up to 16 R - 29RM " Shtil " ( NATO designation : SS - N - 23 Skiff ) SLBM for use against military and industrial facilities in the case of a nuclear war . Each " Shtil " missile carries ten 100 kt multiple independently targeted reentry vehicle s , and has a circular error probable of . She is also equipped with RPK - 7 " Veter " ( NATO designation : SS - N - 16 Stallion ) anti - ship missile for use against large surface vessels , and self - defense torpedoes . Operational history . Due to her nature as an SSBN , and like most submarines , the operation of " Tula " is mostly classified . During 1987 – 1988 , the boat conducted seven patrols , including five in the Arctic , 17 combat duties , and firing of twelve missiles . In October 1990 , Soviet Deputy Minister of Defense , General V . M . Kochetov , visited " Tula " ; this happened shortly before the collapse of the Soviet Union , when the boat was transferred to the Russian Navy . Until 2000 , she logged in total distance travelled , of which was submerged . From June 2000 until 21 April 2004 , " Tula " underwent overhaul at the Zvezdochka shipyard , Severodvinsk , the third boat after " Verkhoturie " ( K - 51 ) and " Ekaterinburg " ( K - 84 ) . The overhaul would extended her service life by ten years , and allow her to carry R - 29RMU " Sineva " missiles . She conducted sea trials in early 2006 and re - entered service shortly thereafter , despite plans to do so in 2005 . " Tula " post - overhaul operational history is characterised by a number of missile launches , the first of which occurred on 17 December 2007 , when she launched a " Sineva " missile aimed at the Kura Test Range in the Kamchatka Peninsula . Within eight days , " Tula " launched another missile , again aimed at Kura ; both tests were successful . Another four launches took place during 2008 – 2011 , mostly from the Barents Sea . On 11 October 2008 , " Tula " launched a " Sineva " while submerged . The missile reached the equatorial Pacific region after having flown for , a record for the missile . The launch was part of the bigger " Stabilnost 2008 ” exercise , which comprised eight surface ship s , five submarines , 11 aircraft and 5 , 000 sailors . " Tula " launched the " Sineva " again on 4 March 2010 after an unremarkable 2009 . The test was successful , as was another launch of two more missiles , on 6 August 2010 , aimed at the Kura Test Range . On 29 September 2011 , " Tula " conducted the latest launch of the " Sineva " missile aimed at Kura from the Barents Sea .