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.
The orbital Cannon research does not require energy science, but is gated behind Laser Damage 6, which does require Energy science. Is this intentional?
yes, because orbital Cannon uses strong laser energy ;-)