The ships of the Steregushchy class are multipurpose corvettes, designed to replace the Grisha class. Such ships are used for littoral zone operations, engagement of enemy submarines and surface ships, and gun support of landing operations.The first batch being built at the Severnaya Verf shipyard in St. Petersburg consists of four ships. A second building line has been started at Komsomolsk. The lead ship of this second batch will be named Sovershennyy. The Russian Navy has publicly announced that they expect to buy at least 30 of these ships, for all four major fleets.