The Oscar II nuclear-powered cruise missile submarine, which displaces a lot more than 24,000 tons when under water, is certainly one of Russia's biggest & most capable submarines. The submarine has 24 SS-N-19 cruise missiles with a variety of 550km . The missiles could be launched whilst the submarine is submerged. The torpedo pipes fire both torpedoes and reduced range anti-ship missiles. 11 regarding the Oscar II submarines had been built between 1985 and 1999. Three have now been decommissioned plus one, the Kursk , sank. Two Oscar II submarines are active with all the Northern Fleet and five utilizing the Pacific Fleet.