🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTiếng ViệtРусскийفارسی한국어中文日本語EntityQ1070632· pop 22· linked from 99 articlesSierra-class submarinenuclear-powered attack submarine classConnectionsattack submarineEntitytitaniumEntityCategoriesCold War submarines of the Soviet UnionNuclear submarines of the Soviet NavySierra-class submarinesSubmarine classesSubmarine classes of the Russian and Soviet Navy