Staff Sgt. April Martinez, 779th Medical Group NCO in-charge of the Pentagon flight medicine annex, left, writes medical information on the simulated injured Airman during a Chemical, Biological, Radiological, Nuclear and Explosives training exercise at Joint Base Andrews, Md., April 28, 2016. The scenario simulated a disgruntled Airman that released ammonia on base to cause mass casualties in the contamination area. (U.S. Air Force photo by Senior Airman Dylan Nuckolls/Released)