Indiana Air National Guard Capt. Steve Martin, Danville, Ill., a 181st Medical Group physician’s assistant, holds a pole as his fellow troops set up a tent during 81st Troop Command's emergency response unit validation training Aug. 22, at Camp Atterbury, Ind. The response unit is an amalgamation of Air and Army Guard troops throughout Indiana and known as the 19th CERFP or Chemical, Biological, Nuclear, Radiological and high-yield Explosive Enhanced Response Force Package.