Of course, NATO is Russia's main strategic enemy since WW2. Main war strategy always was about full scale war against NATO both conventional and nuclear. I think when Putin started SMO he already had a plan in case of war with NATO. USA was preparing for war with some insurgents for last 50 years while Russia was preparing for war with NATO)
I think Russian planning has always envisaged a NATO confrontation.
Of course, NATO is Russia's main strategic enemy since WW2. Main war strategy always was about full scale war against NATO both conventional and nuclear. I think when Putin started SMO he already had a plan in case of war with NATO. USA was preparing for war with some insurgents for last 50 years while Russia was preparing for war with NATO)