They walked through an older part of the station, where there were brown clots of fossilized gum on the green plastic flooring, scuff marks on the walls, along with faint imprints of insignia and company names—ICON was repeated several times in ghost lettering. Innis told George it meant the now defunct International Construction Orbital Group, the original builders and controllers of Athena. Innis stopped George in front of a door that read INTERFACE GR0UP "Go on in," he said. "I’ll be around a little later."