if Russia as promised stand by Syria then no one can harm Syria
If Turkey starts a war then big problem
Russia with its huge obsolete army is nothing but a talking tincan against NATO. The father of Russia, SSCB has been destroyed by NATO strategies and defeated in arm race and You are talking about current Russia who obtains some arm technologies with technology transfer deals, as favour against NATO ?
Let NATO aside, Russia's current blacksea fleet can't even cope with current Turkish navy fleet. Don't feed the imaginations in your minds to talk about something, Face with facts. Russia is a fantastic arm exporter paradise for a poor country like Syria with its SAM's, missiles but When you changed your direction towards NATO against Russia, There isn't a comparison like that.
Destroying a country like Syria is just a matter of wishes of NATO. Once NATO agreed and started moving, No power in World can't stand against those technology and army fleet. Why ? Because;
(One by one comparisons)If Russia uses for exm. Tank card to make favout of itself against, NATO can provide more than 7-8 different Tank models which is more advanced and capable regarding own standarts. If Russia comes with a missile having a specific range, NATO has 7-8 different kind of similar missiles whose electronics, IR detectors are even manufactured by themselves instead of ordering them from abroad like Russia does...