Alliance is holding huge war games exercises off the coast of Scotland . NATO says planning started long before Russia renewed its status as the alliance 's chief adversary . But commanding officer says Russia 's behavior is an added motivation to do well in these exercises .
NATO is holding huge war games exercises off the coast of Scotland . Alliance says planning started long before Russia renewed its status as the alliance 's chief adversary . But commanding officer says Russia 's behavior is an added motivation to do well in these exercises .