Firefighters from the 509th Civil Engineer Squadron set up oxygen tanks during a mock fire in base housing at Whiteman Air Force Base, Mo., June 7, 2013. The oxygen tanks allow the firefighters to breathe clean air while in a smoke-filled house. (U.S. Air Force photo by Airman 1st Class Bryan Crane/Released)
Airman 1st Class Bryan Crane
Taken on 7 June 2013
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