Late last year, Poland's national security agency estimated that Russia could attack NATO within three years. AdvertisementBut whether Putin really does intend to attack NATO and what an attack might look like remains unclear. In March, Putin denied having any plans to attack NATO members, describing such claims as "complete nonsense." "So, his ambition in growing is not going to be that he will attack NATO and NATO countries next year. A covert war is already underwayRussia, some point out, is already engaged in a war with NATO, albeit covertly.

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