E Company, 3-158th Assault Helicopter Battalion conduct mask confidence training at the Oberdachstetten Local Training Area NBC Chamber. Soldiers of E Company, 3-158th Assault Helicopter Battalion conducted mask confidence training recently, at the Oberdachstetten Local Training Area. Mask confidence training demonstrates the effectiveness of Personal Protective Equipment in protecting against Chemical, Biological, Radiological, and Nuclear (CBRN) hazards. (Photos by Luis Viegas, TSAE, TSC Ansbach)