[@Sigma]Speaking of orbital defenses, I figure these would be the only true exception on the "no orbital strikes" rule. Otherwise how the starships are supposed to defend themselves if the local batteries rain them from the surface?
Planetary shields and such which doesn't explicitly prevent ground operations or dropships sending down troops are not included. Also causing more destruction than what's absolutel neccessary to destroy threatening orbital defenses is also frowned up at best and strongly sanctioned at worst.
Of course worlds that does not support life are a different matter. For example so long you avoid hitting the residential areas of civilians it's perfectly reasonable to bombard a moon or asteroid base with all that you bear (baring sorts of destroying the planet ofc).

What do you think? Would my thoughts above be in line with what you imagined for this RP?
We obviously need an interstellar laws of war to avoid things boiling down to one side bombing the other to oblivion. We want ground conflicts and so on.