Airman 1st Class Nathan Woods conducts a chemical, biological, radiological, nuclear, and (high-yield) explosives training during a 36th CES field training exercise at Andersen Air Force Base, Guam, June 3. Airman Woods is a member of the 36th Civil Engineer Squadron readiness and emergency management flight logistics and resources. He is a member of a 10-man shop that conducts approximately eight chemical, biological, radiological, nuclear and high-yield explosive Defense Survival Skills classes per month. (U.S. Air Force photo/Airman 1st Class Courtney Witt)