NATO doesn't allow members quickly. There were joint NATOmissions with Russia, but Putin didn't like that US intervened in Iraq ( in it's sphere of influence).

NATO doesn't allow members quickly. There were joint NATOmissions with Russia, but Putin didn't like that US intervened in Iraq ( in it's sphere of influence). Since then the relation degraded. There's an extensive report of military interventions the last 30 years of Russia. You should read it ;)