Nathan Cumminskey, an employee of the Guardian Center of Georgia, fires blank rounds at students during a training event at Global Dragon Deployment For Training on March 13, 2015. The testing provides a refresher course for Airmen, allowing them to put their skills to use to identify live chemical, biological, radiological and nuclear agents and materials. Air National Guard emergency management technicians from more than 20 individual units participated in Global Dragon. Cumminskey is the CBNE hazmat director for the center. (New York Air National Guard / Staff Sgt. Christopher S. Muncy / released)