Indiana Air National Guard Staff Sgt. Joel Scher, left, Huntington, Ind., and Senior Airman James Michalisko, Greenfield, Ind., prepare to receive contaminated casualties during 81st Troop Command's emergency response unit validation training at Camp Atterbury, Ind., Aug. 23, 2011. Scher and Michalisko are with the medical team of the 19th CERFP or Chemical, Biological, Nuclear, Radiological and high-yield Explosive Enhanced Response Force Package, which is a mix of Air and Army Guard troops throughout Indiana.