Joint Biological Training Exercise
U.S. Air Force Staff Sgt. Sarah Carr, 65th Medical Operations Squadron bioenvironmental engineering craftsman, Senior Airman Devon de Castrique, 65th MDOS environmental health manager, and Staff Sgt. Samuel Helfrich, 65th Civil Engineer Squadron emergency management technician, perform function tests of their breathing apparatus during a joint biological response training exercise Sept. 20, 2013, at Lajes Field, Azores. The exercise is to test the effectiveness of emergency managers and bioenvironmental engineers working together in a crisis situation, maintain proficiency in duties, and identify strength or improvement capabilities. Carr, a Robinson, Ill., native, is the Occupational Health non-commissioned officer in charge. De Castrique is from Charlotte, N.C., and Helfrich is from San Clemente, Calif. (U.S. Air Force photo by Tech. Sgt. Paul Villanueva II/Released)