In 2552, the Alpha Probe of the Archimedes, a remote scanning outpost at the edge of the Sigma Octanus system, detected a Covenant Fleet en route to the planet Sigma Octanus IV.
In 2552, the Alpha Probe of the Archimedes, a remote scanning outpost at the edge of the Sigma Octanus system, detected a Covenant Fleet en route to the planet Sigma Octanus IV.