 On 30 December 2013, "Severodvinsk" was handed over to the Russian Navy.The flag-raising ceremony was held on 17 June 2014 marking its introduction into the Russian Navy.In October 2014, one of the U.S. Navy’s top submarine officers, Rear Admiral Dave Johnson, the Naval Sea Systems Command’s program executive officer (PEO) for submarines, said “We’ll be facing tough potential opponents.