ELLSWORTH AIR FORCE BASE, S.D. -- Private Jose Benavides, Army National Guard, 704th Chemical Company chemical biological radiological and nuclear specialist, processes through a simulated decontamination tent during the 2010 Golden Coyote exercise at Camp Lancer, Ellsworth Air Force Base, S.D., June 18. The shower is a mixture of water, chemicals and an abrasive brush designed to remove any contamination from a CBRNE casualty. (U.S. Air Force photo/Airman 1st Class Jarad Denton)