"As a soldier of the Celestial Expanse, Guardian First Class Michael Sorenson knows better than anyone that when the Spectres invade, there are only two options. Run or die. However, his defensive war takes on a whole new spin when hes recruited into Division 7, a Research & Development facility with the ultimate mission: to create a large-scale weapon that can kill Spectres en masse. Here Michael joins a team of military elite who have the daringand...