How about if you could slide your mouse over multiple fighter units and make them all move to 1 area and also all to attack 1 other unit. And i mean Land Units!

You can.

10 cahracters

I'm not sure I understand enirely what you are saying, but if you press j or x, all active units on the same square will move. ctrl j or ctrl x, all units of the same type as the current active unit.

i ment on multiple squares