his eyes, soldiers can see everything he does. right there. reporter: since the war began, 800 military robots have made the ultimate sacrifice to save their human brethren. we consider that lives, limbs of people that we re able to bring home because of these systems. reporter: in other words, more robots could mean more american lives saved. and a whole new meaning for man s best friend. muhammad lila, abc news, at the bagram airfield in afghanistan. i love that story that s awesome. and they re going to be used for more than just on the battlefield. i actually did a story on this when i was in boston. the same people that make that little roomba, vacuum cleaner, they were creating them to go into the plant in fukushima. after the devastating tsunami. with all the radioactivity. so that s also where these things are going to do. hey, look at you. it s your girlfriend. my robot girlfriend? what s her name? i don t know. this is abc s world news now informing