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667BDRM Dolphin DELTA IV - Units

Sources are in uncommonly good agreement on the number and naming of the units of this class. The development of the Delta IV submarine began on 10 September 1975 by the Rubin Central Design Bureau for Marine Engineering. The first Dolphin submarine was launched in January 1985 and in December 1985 the first Dolphin submarine was introduced into Northern fleet. Between 1985 and 1990 seven Dolphin SSBN were constructed by the Sevmashpredpriyatiye Production Association in Severodvinsk.

Initially all the Delta IV submarines were based with the Northern Fleet at Olenya. All the submarines of this class served in the 3rd flotilla of strategic submarines of the Northern fleet, which has relocated to Yagyelnaya. All units of this class remain in the Northern Fleet.

1. SSBN Verkhoturye is a Project 667-BDRM, commissioned in December 1984. The boat carried out seven combat patrol missions, and completed six-year repairs at the Zvezdochka State Machine-Building Enterprise in 2000. As of June 2001 the Commander was Colonel Mikhail Bannykh, who had previously headed the submarine Karelia.

2. The Delta IV class submarine K-84 Yekaterinburg was damaged n Thursday 29 December 2011 while in dock in Murmansk when the rubberized sound-proof tiles coating the hull caught fire. The rubberized skin tiles absorb sound to make the boat harder to detect by sonars, but it can burn in a dry environment. Following the accident, it was planned that K-84 Yekaterinburg would be taken in for repairs that had previously been scheduled in 2013. There was no radiation leak because the reactors had been shut down before repairs began. “These parameters are within the limits of natural radiation fluctuation levels. There is no threat to the population,” the Murmansk emergencies ministry said in a statement.

   The submarine arrived at the "Svezda" in June 2012, she was, in particular, the forthcoming emergency repair sonar equipment and the first compartment, the victims of the fire. "Yekaterinburg" was upgraded by "Svezda" with the extension of the service life of ten years - it was transferred to the Navy in 2003.

   "Yekaterinburg" was removed from the slipway at the shipyard "Svezda" in Severodvinsk on June 6 and November 14 started sea trials in the Sea. The service life of the submarine extended for three years. It was reported that the submarine equip ballistic missiles "Liner" - modification of missiles "Sineva" with an increased number of warheads.

   Nuclear submarine "Yekaterinburg" was transferred to the Russian Navy after repairs on 19 December 2014. "The act of returning warship in order to be signed December 19 - in a single day of acceptance of military products," - a spokesman said.

3. Submarine "Moscow" was built in 1986 at the Severodvinsk shipyard "Sevmash" project 667BDRM "Dolphin". The initially un-named third unit of this class, K-64, which had been launched in 1988, was reportedly laid up in refit as of 2001. The boat, named Vladimir and then Podmoskovye ("Suburban Moscow"), was apparently withdrawn from service sometime in 2002. According to open sources, the special purpose submarine BS-64 "Moscow" of converted missile K-64 667BDRM project in support of underwater vehicles. Modernization of the ship was carried out since 1999.

   In August 2015 Russia's Zvezdochka shipyard completed repairs and modernization work on the BS-64 Podmoskovie nuclear submarine after 15 years in the slipway. The workers of the Zvezdochka (Little Star) repair plant in northern Russia's Severodvinsk and the sub's crew took the vessel out of its slipway for initial tests.

   In its sea trials, the BS-64 Podmoskovie cooperated with other nuclear submarines such as the Kashalot ("Cachalot"), Paltus ("Halibut") and the infamous Losharik. Originally laid down in 1982 and in service from 1986 to 1999, the BS-64, the submarine, then known as the K-64, spent nearly 16 years in the dock for repairs and modernization.

   During the repairs, the submarine's missile bays were removed and replaced with scientific research facilities. The modernization also added equipment for docking to other submarines. The modernized submarine will also likely carry the Klavesin-1R ("Harpsichord") autonomous unmanned submarine vessel. The Klavesin-1R is an unmanned submarine vehicle capable of surveillance and acoustic studies at depths of up to 6,000 meters.

   On 11 August 2015, the submarine was taken out of the shed, and later got underway under nuclear power. On 26 December 2016 Center of repair "Zvezdochka" in Severodvinsk gave Navy a big Russian nuclear submarine "Moscow" after renovation and modernization. "The ceremony of signing the acceptance certificate was attended by Chief of the Navy Command, the Northern Fleet, the leaders of the United Shipbuilding Corporation, CDB ME" Rubin "and other enterprises-contractors who have made a significant contribution to the implementation of the state order," - said in a statement. The press service noted that during the test, which lasted during November and December, the ship several times went to sea to check the serviceability of all systems and mechanisms.

4. In May 2004 the strategic nuclear sub Tula left the slipway of Zvezdochka after completing repairs. As of late 1999 it had been planned to dismantle this boat at Zvezdochka. The commander of the sub was Yuri Kolosov. K-114 sub is one of the last Soviet-built subs. It was built by Sevmash in March 1984. According to the head of Zvezdochka's trade union Mikhail Gmyrin, before Tula the shipyard had successfully repaired Verhoturye and Ekaterinburg, the subs of the same class. Tula got its name in 1995 together with the sponsorship from the city of Tula.

5. K-117 Bryansk is a Russian Project 667BDRM Delfin class (NATO reporting name: Delta IV) nuclear-powered ballistic missile submarine. The submarine was laid down in April 1985 in the Russian Northern Machinebuilding Enterprise, Sevmash. In September 1988 the submarine was commissioned in the Soviet navy. When launched the submarine became the 1000th Russian/Soviet submarine constructed. The overhaul of the submarine, which began in July 2002, was completed in November 2007.

6. SSBN Kareliya [Karelia] is a Project 667-BDRM, built at Northern Machinebuilding Enterprise, Severodvinsk, September 1986. In the Summer 1996 the boat left for extended under-ice cruise and surfaced at the North Pole on 14 June 1996. The previous Commander was Capt 1st Rank Mikhail BANNYKH. In April 2000 president-elect Vladimir Putin took part in the North fleet's Barents Sea exercise. He put to sea 05 April 2000 aboard the North fleet's Karelia SSBN, eventually spending the night 50 meters below and observing the war games 06 April. Putin watched the submerged Borisoglebsk SSBN 667 BDR [Delta III] class launch her RSM-50 ballistic missile; meanwhile the Karelia was staying on the surface. Putin underwent a sailor-initiation ceremony aboard the Karelia, drinking sea water and receiving his honorary-submariner certificate. In October 2003 the Karelia successfully launched a ballistic missile from the White Sea, hitting a target at the Kura range on the Kamchatka Peninsula.

7. On 07 July 1998 the Russian Navy launched an R-29RM Shtil' rocket carrying a TUBSAT-N satellite from the submarine K-407 Novomoskovsk. On 30 July 2003 it was reported that Novomoskovsk had "joined" the Northern Navy of Russia. In 1991 the sub made multiple launches of the missiles. Russia had 6 subs of this class active. According to the Russian Shipbuilding Agency the sub had been upgraded by Zvezdochka.