EMERGENCY PRACTICE Soldiers work to evacuate a mock casualty during emergency response unit validation training at the Joint Maneuver Training Center on Camp Atterbury, Ind., Aug. 23, 2011. The response unit is an amalgamation of Air and Army Guard troops throughout Indiana, known as the 19th Chemical, Biological, Nuclear, Radiological and high-yield Explosive Enhanced Response Force Package. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 663932-I-MCF55-073.jpg Photo Gallery