U.S. Air Force fire protection specialists, assigned to the 673rd Civil Engineer Squadron, don protective gear while conducting firefighting drills in the live-fire simulator at Joint Base Elmendorf-Richardson, Alaska, April 13, 2016. The JBER fire department is trained to respond to various emergencies and regularly conducts sustainment exercises to maintain proficiency and operational readiness. (U.S. Air Force photo/Alejandro Peña). Original public domain image from Flickr
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