"mark identified targets" means when friendly ai spots enemies and engages them, they put down markers on the map. It's not giving the friendly ai markers on your map.

Thank you for telling me, my bad. But that would be a really cool feature. If friendly AI units actually appeared on the map.

No.

If friendly AI units actually appeared on the map.

There seems to be a ticket for this already.

Search for it or just create a new one.