““to be recorded as they were under normal circumstances. Just beyond the public areas lay a sprawling multifloor substructure of 153 classified rooms, including a massive power plant, medical clinic, dentist’s office, a 400-seat cafeteria, laundry facilities, three 25,000-gallon water tanks, and three 14,000-gallon fuel tanks, as well as a two-story communication facility for incoming and outgoing messages.””