[Suicide Junkie]

Actually, that depends entirely on your strategies.

You can make your battleship run and try to chase down missiles if you set them to do so.

If you check off the "use type priorities" option, you can sort the targetting priority by ships/fighters/missiles/planets/etc.

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PS:
In this mod, you really don't want your capital ships running through the cloud of fighters in the hopes of getting into range of a ship across the map. They'll just get cut to shreds by the sheer volume of tiny guns.

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Re: Preservationists
The culture settings don't have an option for scaling hitpoints.
It could perhaps be simulated with a small combat bonus, but I think the culture is already quite powerful.