ELLSWORTH AIR FORCE BASE, S.D. -- Staff Sgt. Isaac Pardon-Varde, Army National Guard, 704th Chemical Company NCO in-charge of training, briefing soldiers on an upcoming decontamination simulation during the 2010 Golden Coyote exercise at Camp Lancer, Ellsworth Air Force Base, S.D., June 18. The 704 CC is responsible for responding to chemical, biological, radiological and nuclear threats. (U.S. Air Force photo/Airman 1st Class Jarad Denton)