
Here, in a sci-fi fantasy burrow inside the granite bulwark of Cheyenne Mountain, the United States and Canada monitor the skies for enemy missiles. NORAD is perhaps the most unusual small town in the state, complete with heating and power plants, fire and police departments, health and consumer services, and recreational facilities. Its huge, blast-proof steel gates can snap shut in thirty seconds. A cavernous 4.5-acre community, created by removing 693,000 tons of rock, consists of fourteen metal buildings, eight of them three stories tall, and all cushioned atop springs made of 3-inch-diameter steel and shock absorbers to ease vibrations from enemy warheads. Two