When you need to call down the thunder to deal with those pesky biters, launch a rocket with an ion cannon into orbit and show the bugs who's boss.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
Play it your way.
"Failed to load mods: Error while running setup for technology prototype "orbital-ion-cannon" (technology): Technology prerequisite "energy-weapons-damage-6" is registered more than once."
Probably a Bob's mod interaction.
What's the full list of mods you're using?
Is there an easy way to get that from a save file?
There's a lot.
from disk: mod-list.json in mod directory from running game: see https://mods.factorio.com/mod/Kux-ModExport