At some point, the Clovis Bray company began research into the technology that would become SIVA. Apparently, it was meant for use by deep-space colonists, but military branches were involved as well. While Willa Bray did intend for it to be used in space exploration, specifically the Exodus program, they did not intend it to be used by the military.
About a hundred years before the events of Destiny, SIVA posed a serious threat to Humanity. The Iron Lords sacrificed themselves, containing SIVA and saving Humanity.