As Kay pushed aside tree branches, she caught her first glimpse of the secret city under a starry night sky. Marty had brought her here from Knoxville, where the Dreamboats were playing a gig. After a wild ride in a pickup truck along winding Tennessee mountain roads, Marty had led her the rest of the way on foot. Now, at last, Kay saw their destination. Gazing down from the crest of a hill, she saw rows of barracks and houses by moonlight, arranged like pueblos on a grid of streets and sidewalks. Mammoth industrial buildings sprawled over the rest of the valley, looming like ancient temples to long-forgotten gods. Throughout all of it, soldiers patrolled on foot and in trucks, heavily armed and looking as fierce as any warriors protecting a jungle kingdom. "Welcome to Oak Ridge," s