“The Turks feel they can rely on NATO if they are attacked.
They would be mistaken.
Russia and the US are on the same side in this one.
I confess that I might be biased by having an Armenian wife (who was driven out of Azerbaijan as a child) and three half-Armenian children.
Armenia, largely Christian, is backed by Russia and Iran, Greek mercenaries, and very distantly, the US. Their military arms are largely Russian.
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Azerbaijan, largely Muslim is heavily backed by Turkey (a NATO partner to the US), and Syrian-Turkic mercenaries. Their military arms are largely Western and US and Israeli.
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Turkey has now taken over the air war command and control, for Azerbaijan.
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They are fighting over control of a disputed area between Armenia and Azerbaijan that is about 80% ethnic Armenian.