Atomic\nuclear war


 * 1) DEFCON 1
 * 2) HANDEL
 * 3) CONELRAD
 * 4) Four-minute warning
 * 5) Duck and cover
 * 6) Hack Green Secret Nuclear Bunker
 * 7) Kelvedon Hatch emergency broadcast tower
 * 8) Wartime Broadcasting Service (UK)
 * 9) Nuclear briefcase
 * 10) Mount Yamantau
 * 11) Second Artillery Corps (PRC)