http://en.wikipedia.org/wiki/Avon_Park_Air_Force_Range


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The 907th TAG aerial spray mission converted to C-130A aircraft in the spring of 1986, with operational control of the spray mission assigned to the 356th Tactical Airlift Squadron. In April 1987, a joint test of the effectiveness of the new C-130A interim aerial spraying system was accomplished with the U.S. Department of Agriculture at Avon Park Air Force Range Fla.
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http://www.globalsecurity.org/military/agency/usaf/757as.htm