My friends all make fun of me for my belief in the coming robot wars. I believe that this thing, or something similar, will be the one carrying new fuel cells on the field of battle so as to extend the life of our soon-to-be metal overlords:

Edit:
Yeah, how about that thing above with a blood thirsty owler monkey brain controlling it? Huh? Wake up people, time to implement the 3 laws of robotics: