Senior Master Sgt. John Hedeman, a member of the 126th Civil Engineer Readiness Office, explains how to identify chemicals used in an attack during the expeditionary skills rodeo at Scott Air Force Base, Ill., April 19, 2015. The rodeo trains the Illinois Air National Guard for a chemical, biological, radiological, nuclear and explosive incident response as well as self-aid and buddy care.
Air National Guard photo by Airman 1st Class Clare Wallace
Taken on 19 April 2015
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/1887545">https://www.dvidshub.net/image/1887545</a>