0:35. Russia and China are ahead of US in hypersonic missile technology. The Belgorod was turned over to the Russian Navy earlier this month in the port of Severodvinsk, according to the countrys largest shipbuilder, Sevmash Shipyard. var format = $(this).data('format') || 'mm/dd/yyyy'; The imagery did not clearly show if this is a refit of an existing SSN or the first of the new class, but either possibility signals a concerning capability. //