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[Palocles]

Originally Posted by Oskatat

I've got a little question. I had a bunch of artillery in a border town and when I upgraded the artillery tech, it said it would also upgrade the units, but it doesn't. Do I have to do anything extra? does it just take time? It's a bit of an issue since the province is a hotzone for getting attacked

I think you have to upgrade them individually, at an additional cost in resources. But i haven't played in a while.

The "These units will also be upgraded" refers to production of new units, not ones already in service. (I think).