Airman 1st Class Carla Arias, front, and Tech. Sgt. Cole Koenig use special equipment to detect hazardous materials during an exercise on Nov. 3 at Bldg. 1709. Flights from bioenvironmental engineering and emergency management worked together during the training opportunity just as they would have during a real-world situation. (U.S. Air Force photo by Alan Quevy)