Portside Shipping
From Halopedia, the Halo wiki
Portside Shipping is a generic United Nations Space Command term for any center or position referring to the shipping of items from the port side, such as on an Orbital Magnetic Accelerator Cannon Platform.
Cairo Station Portside Shipping
Cairo Station Portside Shipping was the United Nations Space Command portside shipping of Cairo Station. During the First Battle of Earth, Covenant boarders invaded Portside Shipping, holding off the Marines stationed there until SPARTAN-117 came through to go to Firing Control.