With only 28.2 million total manpower in the Starrian military, Starcon needs to get more powerful. Nairrats Uomonotuas Tinu (NUT in short, i know ;-;) killer robots are high-tech robots that have good aim and can withstand a few shots before it's super computer decides it's so unusable it shuts down the NUT. They also use super advanced AI to talk to fellow soldiers like humans and wear the same clothing as the regular soldiers to make them more friendly to the soldiers they are fighting alongside with. For now they serve only the purpose of infantry support. "starcon has gone NUTs" - King Cirde II