If all you want is a name change to a weapon then I don't think its really a big deal. I've already pointed out why an actual mortar would be OP. This game has wierd names for things that just stick.(blimbs?) Does it even say anywhere in game that its called a mortar? I don't think many people will trip over it. Change the artillary tank into a mortar tank! Names don't matter.. I would like to see one of the mowtars be named the DUB-33 though. :D the "direct useful boom" haha I dunno