.. did some research, to be more precise on smarter forms of artillery.
As for the German Panzerartillery there seem to be six standard fire missions.
"Feuerüberfall" (later "Kampfsatz")
- strafe, surprise fire
"Störungsfeuer"
- harassing fire
"Blenden"
- laying down smoke screen, dirt screen
"Zerstörungsfeuer"
- destruction fire, fire for effect
"Vernichtungsfeuer"
- annihilating fire
"Sperrfeuer"
- curtain fire, preventive barrage
If some of those could be implemented in later versions of TOW, it would be great. Technically it should not be to difficult (correct me if I am wrong).