Scheeler was a terran medic, serving with the Colonial Fleet. Scheeler was present on Tarsonis during the final days of the Confederacy, where the Confederate armies were obliged to defend the planet from the imminent Sons of Korhal invasion. Scheeler served alongside Lieutenant Commander Fleet in Valkyrie that carried the 22nd Confederate Marine Division to Fagin's HQ with Malcolm Kelerchian per orders to retrieve Nova for recruitment into the Ghost Program.