Habitat Alpha
From Halopedia, the Halo wiki
Habitat Alpha is a generic United Nations Space Command term for one of the quarter sections of an Orbital Magnetic Accelerator Cannon Platform.
Cairo Station Habitat Alpha
Cairo Station Habitat Alpha was invaded by the Covenant during the boarding action; however, the Marine forces were unable to hold the line, so the UNSC defense coordinator ordered a full Marine squad to repel the intruders.
