http://www.abc.net.au/ra/newsdaily/s312457.htm



Nuclear bomb may have been tested in Australian rainforest

Declassified Australian government documents reportedly suggest a nuclear
bomb may have been detonated in a tropical rainforest in northern Queensland
at the height of the Cold War.

The documents are reported in the latest edition of New Scientist magazine.

They show that Britain, the United States and Australia set off a 50-tonne
bomb in the rainforest at Iron Range in north Queensland in 1963 as part of a
secret military experiment codenamed Operation Blowdown.

Its detonation was designed to test how the rainforest would react to such an
impact.

But while the Australian documents describe the blast as testing the effect
of a nuclear explosion, the British government says it was a conventional
bomb designed to simulate an air-detonated nuclear device.

However, declassified records in the National Archives of Australia describe
Operation Blowdown as "an investigation into the effect of nuclear explosions
in a tropical forest". (06:54:57 AEST)

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