The Pyotr Velikiy, Peter the Great, Russian nuclear-powered missile cruiser seen in the Barents Sea, Russia, in this October, 2001 file photo. The Peter the Great cruiser accompanied by three other ships of Russia's Northern Fleet was to sail from their base in Severomorsk Sunday on a cruise which will include a joint exercise with the Venezuelan Navy, Russian Navy spokesman Igor Dygalo said.--Xinhua/AFP