What the records say
- When
- 18 Jul 1963
- Kind
- Military operation
- Coordinates
- 12.75° S, 143.28° E
- Description
- 1963 Australian test explosion
Operation Blowdown
Australian test explosion
Operation Blowdown was an explosives test carried out in the Kutini-Payamu jungle of Australia's Cape York Peninsula in 1963, to simulate the effects of a nuclear weapon on tropical rainforest. It was conducted by the Australian Army, the Department of Supply, and the Defence Standards Laboratory with participation from the United Kingdom, Canada and United States.
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