The First Contact War (know on as the Grand Atomic War, or the Emancipation War, on Naucean) was a planet-wide military conflict that lasted from 2018 to 2042 on the planet Naucean in the Nautiloid system, which involved most of the Naucean tribes: eventually forming two opposing military alliances, the Emancipation Powers and the Slavery Powers. It was the bloodiest war in Naucean history, with more than 280 million military personnel mobilized, and over a billion casualties. The major participants placed their entire economic, industrial, and scientific capabilities at the service of the war effort for more than two decades, erasing the distinction between civilian and military resources. Marked by significant events involving the mass death of civilians, including the widespread use of