Chem suit up!
Airmen from the 36th Civil Engineer Squadron congregate in their assigned stations prior to beginning the field training exercise portion of the chemical warfare, post-attack reconnaissance training at Andersen Air Force Base, Guam, Jan. 28, 2013. The 36th CES readiness and emergency management flight conducts chemical, biological, radiological, nuclear and high-yield explosives training in order to ensure that Airmen are ready to respond and continue operations in hazardous environments. (U.S. Air Force photo/Airman 1st Class Marianique Santos/Released)