LANGLEY AIR FORCE BASE, Va. -- Staff Sgt. Jesse Zainey, 633d Civil Engineer Squadron Fire Department firefighter, talks to Senior Master Sgt. Tony Gurrola, 633d Medical Group Surgical Service Squadron superintendent and simulated accident victim, while stabilizing his head and neck during a Toxic Industrial Chemical/Toxic Industrial Material simulation here, Feb. 4. The Major Accident Response Exercise was held as a required semi-annual evaluation to examine first respnders' ability to quickly react and stabilize real-world emergencies. (U.S. Air Force photo/Airman 1st Class Racheal Watson)(RELEASED)