Airmen prepare to change into hazardous material suits during Black Flag, a training exercise at the Center for National Response in W.Va., March 27, 2014. More than 40 active duty, guard and reserve Airmen learn real-world emergency response training during the two-week exercise. (U.S. Air Force photo/Airman 1st Class Nesha Humes)
Airman 1st Class Nesha Humes
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