Senior Airman Kristina Song, with the 72nd Aerospace Medicine Squadron’s Bioenvironmental Flight, monitors air quality in a simulated contaminated area during the Oct. 5 CBRNE exercise. Wearing a Level A Hazmat fully-encapsulated suit, Airman Song is able to communicate with her team, monitor the air, identify chemicals, take photos of the scene and take samples of liquids or powder if necessary. (Air Force photo by Kelly White)