A few posts, above, I mentioned the difficulty the AZ and AR/NK forces have with combined arms and concealment. Well, this is what happens when a single tank advances without infantry support (AR MoD video):
And here is what happens when you advance infantry in a tight file while under enemy observation (AR MoD video):
https://twitter.com/user/status/1312770302821179393
This video also highlights why the front line hasn't budged in years:
1. the terrain is difficult for vehicle movement, resulting in the vehicles having to use the roads. And when that happens, all the defender has to do is take out the lead vehicle and the column halts;
2. the defender has decent observation; and
3. the defender can register the gorge for artillery fire.
Armenian tanks out in the open: