Fire Training Air Force firefighters walk away from a fire during training on the fire training grounds at Davis-Monthan Air Force Base, Ariz., Nov. 28, 2016. The firefighters are assigned to the 355th Civil Engineer Squadron’s fire department. Air Force photo by Senior Airman Betty R. Chevalier SHARE: Download: Full Size (1.34 MB) Credit: Betty Chevalier VIRIN: 161128-F-WQ860-0015D.JPG Photo Gallery