Bioenvironmental
U.S. Air Force Senior Airman Christopher Cameron, 23d Aerospace Medicine Squadron bioenvironmental engineering technician, opens an empty container during training, at Moody Air Force Base, Ga., May 29, 2014. Some of the duties of bioenvironmental Airmen include gas mask fit testing, water testing, measuring thermal conditions during the summer months and responding to chemical, biological, radiological, nuclear and physical threats. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)