Security Station Four
From Halopedia, the Halo wiki
Security Station Four is a generic United Nations Space Command term for one of the security stations of an Orbital Defense Platform, the most famous of which is on Cairo Station.
Cairo Station Security Station Four
Cairo Station Security Station Four was a UNSC security station aboard Cairo Station. During the Battle of Earth, Covenant boarders invaded the security station, but were supposedly repulsed by Marines Forces.
