Emergency management
Senior Airman Nathan Krajcirik takes a sample of an unknown powder during training Aug. 3, 2010, at Joint Base Balad, Iraq. Different powders, pastes, liquids and aerosols are frequently used in training, so that during a real-world incident Emergency management Airmen are able to put their training to use. Airman Krajcirik is a 332nd Civil Engineer Squadron Emergency Management Section technician. (U.S. Air Force photo/Staff Sgt. Stacy Fowler)