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20 years after its last nuclear        explosion……the U.S. conducted two ‘nuclear tests’ in 2012, and another is on the wa...
U.S. Nuclear Testing History• U.S. conducted world’s first nuclear test in New  Mexico in July 1945 - its last nuclear exp...
Z-Machine tests on plutonium• In September 2012,  Hiroshima peace  organizations found out  U.S. conducted 2  subcritical ...
Hiroshima groups         outraged  about Z-Machine tests -   calling them ‘nuclear           tests’• Hiroshima peace group...
Hiroshima Mayor WritesLetters of Protest• ‘Though the test did not  involve a nuclear  explosion, [this] series  of such e...
Anger at more than just ‘Z            Machine’ tests• U.S. Z-Machine ‘shots’  and underground  ‘subcritical nuclear  exper...
Subcritical tests soon to involve warheads               • Normal U.S. underground subcritical                 tests bomba...
‘Scaled’ subcritical test planned for            end of 2012• Experiment called  ‘Pollux’ will occur  sometime in the fall...
Are these experiments really ‘nuclear                 tests’?• Each ‘stockpile’ experiment on plutonium results in a  ‘nuc...
20 years after its last nuclear test, theU.S. is planning ‘stockpile stewardship’   experiments that are increasingly     ...
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Explosive nuclear experiments on plutonium the norm 20 years after U.S.'s last nuclear test

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In 2012, U.S. nuclear weapons scientists conducted two 'Z Machine' tests on plutonium between April and August and plan an autumn-time underground explosion of a plutonium-filled mockup warhead!

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Explosive nuclear experiments on plutonium the norm 20 years after U.S.'s last nuclear test

  1. 1. 20 years after its last nuclear explosion……the U.S. conducted two ‘nuclear tests’ in 2012, and another is on the way NuclearCrimes.org September 2012
  2. 2. U.S. Nuclear Testing History• U.S. conducted world’s first nuclear test in New Mexico in July 1945 - its last nuclear explosion was in 1992• 2012 was to be the ’20th anniversary of the U.S.’s last nuclear test’• But since 1997, U.S. weapons scientists have been conducting subcritical experiments• These experiments subject plutonium fuel to a ‘nuclear explosive’ environment. Although there’s no sustained ‘chain reaction,’ some consider these ‘nuclear tests.’
  3. 3. Z-Machine tests on plutonium• In September 2012, Hiroshima peace organizations found out U.S. conducted 2 subcritical ‘Z Machine’ tests earlier in year• The ‘Z Machine’ mimics conditions of a nuclear explosion• U.S. didn’t pre- announce experiments; ‘mentioned’ one of them via a chart
  4. 4. Hiroshima groups outraged about Z-Machine tests - calling them ‘nuclear tests’• Hiroshima peace groups immediately condemned ‘Z Machine’ plutonium experiments• Hiroshima museum curator, who says these experiments are ‘nuclear tests,’ reset ‘Peace Clock’
  5. 5. Hiroshima Mayor WritesLetters of Protest• ‘Though the test did not involve a nuclear explosion, [this] series of such experiments … can be understood as evidence that the U.S. intends to cling to its nuclear stockpile … [and] has aroused suspicion regarding your intentions…’
  6. 6. Anger at more than just ‘Z Machine’ tests• U.S. Z-Machine ‘shots’ and underground ‘subcritical nuclear experiments’ are considered ‘nuclear tests’ by Hiroshima groups• ‘Subcritical nuclear experiments’ are conducted underground in Nevada
  7. 7. Subcritical tests soon to involve warheads • Normal U.S. underground subcritical tests bombard bits of plutonium with chemical explosives • In 2011, it was learned U.S. had plans to carry out a ‘first-of-a-kind’ subcritical test • It would be an underground explosion of a plutonium-filled mock-up warhead called a ‘scaled subcritical experiment’
  8. 8. ‘Scaled’ subcritical test planned for end of 2012• Experiment called ‘Pollux’ will occur sometime in the fall of 2012• With Pollux, the U.S. will have carried out three ‘nuclear tests’ in 2012
  9. 9. Are these experiments really ‘nuclear tests’?• Each ‘stockpile’ experiment on plutonium results in a ‘nuclear energy release.’ In the 1990s, even President Clinton’s administration wasn’t clear if this was equated with the definition of a ‘nuclear explosion.’• The definition of ‘nuclear explosion’ is blurry even to the backers of the CTBT• Guess what else…? FOIA documents indicate these ‘stockpile’ experiment methods could be exploited to make new nuclear weapons by the U.S…. or by ‘wannabe’ nuclear weapons states!
  10. 10. 20 years after its last nuclear test, theU.S. is planning ‘stockpile stewardship’ experiments that are increasingly resembling nuclear tests.If we want to curb proliferation, we need to put language back into the CTBT (that was removed in the 1990s) that would ban nuclear tests of every definition! Visit NuclearCrimes.org for more

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