https://flic.kr/p/bGSiqn | Sevastopol Dnepr - Hen House Large Phased Array Radar (LPAR) | "An illustration of a Hen House phased-array radar system … [made from a CORONA Spy Satellite photo of a similar facility]. Such line drawing were frequently produced from satellite photographs in order to conceal the technical capabilities of the satellite cameras". from "Eye in the Sky", by D.A. Day, J.M. Logsdon and B. Latell, page 227.