Aleksandr Nevskiy ballistic missile submarine of the Project 955 class has completed the sea trials part of the state acceptance trials.
The submarine first went to sea in October 2011. At some point the Russian Navy expected that the submarine will be accepted for service in 2012, but that apparently did not happen. One of the reasons for the delay is probably the problems encountered by the Bulava SLBM program - the most recent test launch of the missile, in September 2013, from the Aleksandr Nevskiy submarine, was unsuccessful.
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Russia begins re-equipment of the Project 949A (Antey/Oscar II) submarines for new cruise missiles. The contract for development of the working design documentation on modernization (Project 949AM) of the head submarine №619 (K-132 Irkutsk) is estimated in 12 bln rubles (~ $364 mln):
http://zakupki.gov.ru/223/purchase/public/purchase/info/common-info.html?purchaseId=714686&&purchaseMethodType=ep
The Novator Design Bureau and the NPO Mashinostroeniya Corporation are mentioned in the contract documents as contractors:
http://zakupki.gov.ru/223/purchase/public/download/download.html?id=3490296
It allows to assume with big degree of probability that the Project 949AM submarines will be armed with the mixed system of cruise missiles (by analogy to new Severodvinsk/Yasen-class subs): anti-ship Onyx (SS-N-26) and/or multi-purpose Kalibr (SS-N-27/30).
Dimensions of the new missiles allow to place them in launchers in number of three instead of one former SS-N-19 (Granit). Thus a unit of fire of each submarine can be increased from 24 to 72 cruise missiles.
It should be noted that the Kalibr arsenal includes the 3M14 land attack cruise missiles.
A year ago it was reported that the Kalibr LACM successfully destroyed the land target at "maximum" range of 1400 km:
http://ria.ru/defense_safety/20121219/915428088.html
At the same time the Caspian Flotilla Commander Admiral Alyokminsky blabbed out that true range of the Kalibr LACM is "more than 2000 km" -- typical for long-range subsonic cruise missiles (as Tomahawk):
http://www.echo.msk.ru/programs/voensovet/947115-echo/#element-text
Might not the Kalibr anti-ship version fit 4 into a single SS-N-19 Granit silo? This is what I read somewhere - but unfortunately have no citation. However, Kalibr anti-ship version is smaller in diameter than Yakhont.