Senior Airman Keenan Wallace, 188th Wing emergency manager, samples unidentified substances during the Global Dragon deployment for training at the Guardian Centers, Perry, Ga., March 10, 2015. The unidentified substances included liquids, powders and gels. Air National Guard emergency management technicians from all 10 Federal Emergency Management Agencies participated in Global Dragon. (U.S. Air National Guard photo by Senior Airman Cody Martin/released)