brendan.hill's Journal: US planned to test nerve gas on Australian troops

http://www.theage.com.au/national/us-planned-to-test-nerve-gas-on-aussie-soldiers-report-20080706-32gd.html

It's been revealed that the US military planned to test deadly nerve gas on Australian soldiers in far north Queensland during the Cold War.
...
[Newly declassified Defence and Prime Minister's office files] say the top secret plan involved allowing 200 mainly Australian combat troops to be aerially bombed and sprayed with the chemical weapons.

Somehow I don't think a tin foil mask would really cut it.