Up for bid is 1 VINTAGE 1961 SCHEMATIC OF A TYPICAL DIRECTION CENTER SITE BUILDING. It houses the AN/FSQ-7 Combat Direction Central and the AN/FSQ-8 Combat Control Central which are the building blocks of the SAGE System. Good condition and authentic documents not copies or reprints. 6 pages. I've shown 3 examples in the photos. 8-1/2" x 11" single sided. sold as-is. Happy bidding!