A troubling incident has taken place in a nearby facility. But to truly grasp how troubling this incident actually is you must first learn what happened 20 years ago on Meagan 3, last officially sanctioned mission of DSU-1. Meagan 3, told through a series of flashbacks, tells the story of Commander Johnson's last official mission as leader of a team known as DSU-1. A mission with direct ties to the current situation. A mission, many believe, which makes Commander Johnson uniquely qualified to lead the investigation into this current incident. A belief that he does not share.