Oh boy.....
I can now make a fairly accurate prediction...
Sometimes when they want to be seen, Russian military will turn on their responder and show up on radar.
Very rare is it the plane (commercial) that fly into Syria or Iraq.
The radar (flightradar24) is fascinating. (traffic now over the ME)
https://www.flightradar24.com/35.32,51.68/4
Do I want to know? or will it give me a headache?