Kentucky Airmen conduct ATSO training
An instructor demonstrates the proper way to remove contaminated outergarments after exposure to simulated chemical agents during at ASTO exercise in the Main Hangar of the Kentucky Air National Guard Base in Louisville, Ky., on Dec. 12, 2009. (United States Air Force by Senior Airman Maxwell Rechel)

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Photo by: Senior Airman Maxwell Rechel |  VIRIN: 091212-F-9517R-004.JPG