Air Force Firefighter An Air Force firefighter participates in a chemical, biological, radiological, nuclear or explosive class during exercise Patriot Warrior at Young Air Assault Strip, Fort McCoy, Wis., Aug. 11, 2017. Air Force Photo by Tech. Sgt. Efren Lopez SHARE IMAGE: Download Image: Full Size (0.33 MB) Tags: Firefighters, AIR FORCE Photo By: Tech. Sgt. Efren Lopez VIRIN: 170811-F-AF679-438.JPG Photo Gallery