U.S. Conducted Open-Air Biological, Chemical Weapons Tests, Records Show
Associated Press, October, 2002
The tests included releasing deadly nerve agents in Alaska and spraying bacteria over Hawaii, according to the documents obtained Tuesday. The United States also tested nerve agents in Canada and Britain in conjunction with those two countries, and biological and chemical weapons in at least two other states, Maryland and Florida. ... The summaries of more than two dozen tests show that biological and chemical tests were much more widespread than the military has acknowledged previously.
US Admits Chemical Weapons Tests
BBC, October, 2002
But in large part the reason for revealing this information now and for briefing the US Congress, as the Pentagon has been doing, is because of concerns expressed by veterans. More than 50 of them have filed claims because of health concerns and fears they were exposed to dangerous substances.