Guard firefighters train for emergencies
Firefighters battle a roaring fire while participating in a aircraft 'crash' during a live fire response exercise held at the Combat Readiness Training Center at Alpena, Mich., July 21, 2010. The firefighters are with the Michigan Air National Guard's 127th Wing at Selfridge Air National Base. (U.S. Air Force photo illustration/Master Sgt. Terry Atwell)