It'd be cool to be able to change the names of the rare units the same way that the other units can be changed. I don't mean the ability to instantly use them during a scenario, but it'd be cool to have them readily named for the theme of the scenario. Such as changing a nuke in a dinosaur themed map into a Falling Meteor or something of the like.
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The best weapon against an enemy is another enemy.
-Friedrich Nietzsche