Team members work together to complete a worksheet during a competition held at Davis-Monthan Air Force Base, Ariz., Oct. 23, 2014. This station required each team to match symptoms of chemical exposure to the chemical agent responsible. (U.S. Air Force Photo by Airman 1st Class Chris Massey/Released)
Airman 1st Class Chris Massey
Taken on 23 October 2014
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