Staff Sgt. Theodore Van De Sample, 47th Civil Engineer Squadron readiness and emergency flight NCO in charge, instructs Master Sgt. Carl James, 47th Medical Group and 47th Flying Training Wing Wing Staff Agencies first sergeant, on where to holster his gas mask carrier during a chemical, biological, radiological and nuclear training course at Laughlin Air Force Base, Texas, Sept. 12, 2013. James was trained on all of his issued chemical protective gear to ensure he was properly educated before deploying. (U.S. Air Force photo/Senior Airman John D. Partlow)