U.S. Air Force Senior Airman Roy Heron III waits for fellow firefighters to process through a decontamination line during an emergency management exercise at MacDill Air Force Base, Fla., on Jan. 18, 2006. Heron is a firefighter attached to the 6th Civil Engineering Squadron. DoD photo by Senior Airman Carlye D. La Pointe, U.S. Air Force. (Released)