U.S. Air Force reservist assigned to the 919th Special Operations Civil Engineer Squadron firefighters battle a huge blaze during a live-fire training exercise at Hurlburt Field, Fla., March 4, 2016.
The reservist teamed with their active-duty special operations firefighters to complete their annual live-fire training during the March unit training assembly. (U.S. Air Force photo byTech. Sgt. Sam King). Original public domain image from Flickr