Make things for warfare.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
The research for laser robot displays this:
Unknown key: "technology-name.combat-robotics" 4
I'm on Factorio 1.1.x experimental Not using the full mod pack, just warfare, power and mining, I think.
that makes sense, they renamed all the combat robotics stuff to just the name of the robot it unlocks.
I'll need to fix this.