Secret volcano island. geothermal power source. hidden airport (pop up). monorail, mid century modern design (eg frank sinatra's batchelor pad) architecture of external buildings. extensivev tunnerl excavation. stell reinforcement, anti air craft, ship, rocket, shell systems (all perfect and effective). hijacked satellite TV and phone (no trace). submarine freighter to deliver all supplies a few times a year from worldwide sources. fat chick detection system.