Fatal mixture
U.S. Air Force Senior Airman Travis Harrelson, right, 23d Civil Engineer Squadron emergency management specialist, and Senior Airman Jeremy Hickson, 23d CES EM specialist, shine a flashlight during the integrated base emergency response capability training March 18, 2015, at Moody Air Force Base, Ga. Harrelson and Hickson used the light during a scenario to assist in identifying the chemical solution that mixed to cause a chemical reaction. (U.S. Air Force photo by Airman 1st Class Ceaira Tinsley/Released)