6/17/2011 - eam Goodfellow firefighter decontaminates a 316th Training Squadron student with water during the exercise June 16. The scenario for the exercise was an unknown assailant tossed gas canisters into the theater contaminating those inside. (U.S. Air Force photo/Airman 1st Class Michael Smith)

6/17/2011 - tudents from the 316th and 315th Training Squadrons are instructed by Glenn Haffner, 17th Civil Engineer Squadron assistant chief, on steps of the decontamination process during the exercise June 16. The scenario for the exercise was an unknown assailant tossed gas canisters into the theater contaminating those inside. (U.S. Air Force photo/Airman 1st Class Michael Smith)

6/17/2011 - irman 1st Class Kevin Capps, 315th Training Squadron student, and Airman Basic Cameron Greene, 316th Training Squadron Student, wait to be treated for their chemical injuries during the exercise June 16. The scenario for the exercise was an unknown assailant tossed gas canisters into the theater contaminating those inside. (U.S. Air Force photo/Airman 1st Class Michael Smith)

6/17/2011 - irman 1st Class Keiyon Monroe, 17th Medical Group dental technician, helps Airman Basic Cameron Greene, 316th Training Squadron student, inside the clinic for follow on decontamination during the exercise June 16. The scenario for the exercise was an unknown assailant tossed gas canisters into the theater contaminating those inside. (U.S. Air Force photo/Airman 1st Class Michael Smith)

6/17/2011 - taff Sgt. Carolinda Burdette, 17th Medical Operations Squadron, guides Airman Adrian Rodriguez, 315th Training Squadron student, inside the clinic for follow on decontamination during the exercise June 16. The scenario for the exercise was an unknown assailant tossed gas canisters into the theater contaminating those inside. (U.S. Air Force photo/Airman 1st Class Michael Smith)