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.
Appending ion_cannon_targeter.next_upgrade=null Makes it compatible with mods that alter ammo-turret to have upgrade paths.