. D 6 --- | --- D 8 . Apache at Bikini atoll . Blackfoot at Bikini atoll . The possibility (indeed probability) of nuclear destruction loomed large from the 1950s to the 1980s. At that time, an East-west confrontation seemed the most likely route to M.A.D. The Redwing test Seminole . The Wilson effect - Seminole . Fallout - Seminole . Nowadays, there are other options: . `rogue powers', terrorist groups, or plain accidents . The Chernobyl nuclear power plant . D 6 --- | --- D 8 .