Alien drone

* Support drone, alien robots encountered in the Fallout 3 add-on Mothership Zeta.
* Guardian drone, alien robots encountered in the Fallout 3 add-on Mothership Zeta..
* Experimental weapons drone, alien robots encountered in the weapons lab of Mothership Zeta in the Fallout 3 add-on Mothership Zeta.
* Alien drone, alien robots encountered in Fallout 76.