U.S. Air Force Staff Sgt. Derek Dobbins, left, 633rd Civil Engineer Squadron firefighter, cleans Senior Airman Marc Proctor’s suit during a major accident response exercise at Langley Air Force Base, Va., Oct. 19, 2012. The exercise was held to assess how accurately first-responders search and recover major accident victims and clear out the incident scene. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)