The Nuclear Age 1945-2011

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Across
  1. 2. Fissile material used in atomic bomb dropped on Hiroshima
  2. 5. Size of a nuclear explosion is called its ...
  3. 7. Missile containing multiple nuclear warheads
  4. 8. Fissile material used in atomic bomb dropped on Nagasaki
  5. 11. Largest US nuclear test conducted in March 1954, Castle ...
  6. 12. Thermonuclear weapons entail what type of nuclear reaction?
  7. 13. The Greenpeace ship Rainbow Warrior was sunk here in 1985
  8. 18. Moruroa Atoll was used to test ... nuclear weapons
  9. 19. Home to majority of continental US nuclear tests
  10. 20. Name of project from 1942 to develop atomic weapons
  11. 21. Mandalorian mantra, "This is the ..."
  12. 23. MAD, mutually ... destruction
Down
  1. 1. Formed in London in February 1958, ... for Nuclear Disarmament (CND)
  2. 3. Many of the largest US nuclear tests were conducted in the ... Islands
  3. 4. Arctic location of Tsar Bomba test in 1961, Novaya ...
  4. 6. MAD is considered by its proponents to discourage war through nuclear ...
  5. 9. Location of British nuclear tests in South Australia, 1956-1963
  6. 10. Name of Semipalatinsk Test Site
  7. 12. Decade when US state programs to survive atomic warfare were developed
  8. 14. Now an independent state, but the location of Soviet nuclear tests, 1949-1989
  9. 15. Location of Los Alamos laboratory
  10. 16. First successful test of atomic bomb in July 1945
  11. 17. Conference where US President Truman advised Stalin of a weapon of "unusual destructive force"
  12. 22. Educational campaign to teach US children how to survive atomic attack, ... and Cover