After the first encounter between New Republic and Goa'uld forces at M345, the New Republic began probing Wild Space and the Unknown Regions, and soon realised the extent of this hidden threat.
An alliance was formed with a planet near the edge of the Unknown Regions called Earth, and a task force swiftly assembled to be stationed there.
Properly known as the Outland Defence Force, it became universally nicknamed 'Rogue Squadron'.