Staff Sgt. Brandon Barnes, 628th Civil Engineer Squadron emergency manager, briefs Senior Airman Nathan Pringle, Airman 1st Class William Workman and Michelle Bates, 628th Civil Engineer Squadron emergency managers, during training exercise Operation Burnt Spear Aug. 24, 2012, at Joint Base Charleston - Air Base, S.C. The emergency managers conducted radiological response training for a simulated incident involving a dirty bomb. In the scenario, a mock Federal Bureau of Investigation Joint Task Force requested Air Force Emergency Management assistance to verify and contain any radiation present from the device and establish a communication hotline for incoming responders. (U.S. Air Force photo/Airman 1st Class George Goslin)