CBS News' Holly Williams got rare access to NATO submarines and stealth ships in Sweden, where they're watching for any signs of Russian aggression.
Breakdown
- European concerns are rising over Russia's possible use of drones in NATO airspace, raising fears of a 'grey zone' between peace and war.
- NATO conducted military exercises in the Baltic Sea, with a German submarine simulating enemy espionage and sabotage. 32s
- Russia is suspected of damaging undersea data cables, which are vital for global internet and financial transactions. 1m 19s
- Sweden, NATO's newest member, led the exercises and described the security situation as hybrid warfare, likening it to the Cold War. 2m 10s
- NATO allies in the Baltic region are increasing military spending and strengthening defenses in response to Russian threats. 3m 5s
