“Everything we do is to keep good order at sea,” Rear Admiral Rune Andersen, the head of the Norwegian Navy and Coast Guard told me, weeks later. He said he’s seen an increase of both international commercial and specifically Russian naval maritime activity in the Barents Sea and Norwegian Sea over the last five years. Andersen says the Norwegian fleet has devoted new resources to underwater monitoring, aerial shipping lane surveillance and intelligence sharing with other Arctic nations like Sweden. “We’ve been improving to make sure we’ve control over the North Atlantic. What happens now in the North is important....