Yes. Several scenarios have been written on those situations you mention. Check out the entire list on
Harpoon Scenarios Posted on GameSquad
Some that come to mind are:
The 2nd Lebanese War battleset
4 scenarios in that one and Hezbollah plays a side
21st Century Ocean Wars Battleset
Has a few situations like PRC vs India/Thailand
Several of the scenarios in SE Asia with Australia/Indonesia/Philippines from the original H2 release have been re-built for the PlayersDB
120 more scenarios for the Harpoon 3 Players Database!
If you can tolerate the current state of the game, you might want to try them out.
* Known Harpoon [ANW] Issues