Your memories wiped, like all the other troopers, you are sent to a alien war. You are recruited to fight a alien contact in human space. The UWH, United Worlds of Humanity, have made encounters with only 2 other alien races. Which has not made contact but watches from afar, these aliens we call the Sazin.
Alien territories consist of Ringworlds, Space habitats, planets, astroids, satellites, Dyson spheres. Alien ships have no shield tech, but have advanced missiles an beam laser weapons. 
WAR!!