What is POLITICO Pro? Policy areas Our Pro coverage Request a demo Contact us While war rages in Ukraine, Norway’s intelligence service is warning of the increasing importance of Russia’s nuclear “deterrent” in the Arctic waters of the far north. While Russia also has submarine capabilities, anti-satellite weapons and cyber capabilities that could threaten Norway and the NATO military alliance, tactical nuclear weapons are “a particularly serious threat in several operational scenarios in which NATO countries may be involved,” the Norwegian report said. The agency said in its assessment that while Russia will maintain, modernize and develop its nuclear arsenal, no significant changes in its nuclear doctrine are expected in the coming years