Prepared for the unthinkable
                        
                        
                        Arnold Engineering Development Complex (AEDC) Commander Col. Raymond Toth, left, speaks with a reporter from Channel 4 News after the mock press conference held as part of the active shooter drill that took place at Arnold Air Force Base on Aug. 4. Pictured center is Jason Austin, chief of AEDC Public Affairs. (Photo by Jacqueline Cowan)