NAPLES, Italy — NATO allies are strengthening their anti-submarine capabilities this week in the Baltic Sea, a region whose infrastructure network makes it susceptible to Russian mischief threatening ...

Add Yahoo as a preferred source to see more of our stories on Google. CBS News' Holly Williams got rare access to NATO submarines and stealth ships in Sweden, where they're watching for any signs of ...

Deep in the Arctic, on board NATO's only research vessel, green bars of data move across screens as computers whir, the noise occasionally rising in pitch. To the untrained eye, it all means little.