LANGLEY AIR FORCE BASE, Va. -- Tech. Sgt. Richard Stein, 1st Maintenance Group, Air Force Repair Enhancement Program technician, provides smoke for a simulated fire during a major accident response exercise here, June 11. The MARE was conducted to train base personnel on emergency response procedures and to establish working agreements with local civilian agencies. (U.S. Air Force photo/Airman 1st Class Zachary Wolf)