Russian nuclear powered ballistic missile submarine K-549 Knyaz Vladimir (Prince Vladimir) is pictured during its second stage of the factory sea trials in Severodvynsk, Russia. The submarine is 557-foot long has been designed to carry at least 16 Bulava nuclear ballistic missiles, which have a maximum reported range of up to 6,800 miles. She will be handed over to the Russian Navy in December 2019.