Retired U.S. Air Force Brig. Gen. Theresa Casey instructs members of the 97th Medical Group during a patient decontamination exercise at the 97th MDG building April 17, 2014. During the exercise, 12 personnel constructed a patient decontamination kit that is used to decontaminate patients in case of emergency situations before transporting them for further medical treatment. (U.S. Air Force photo by Senior Airman Levin Boland/Released)