U.S. Air Force Senior Airman Conor Delaney, left, 100th Civil Engineer Squadron Fire Department firefighter and driver/operator, and Crew Manager Lee Spencer, 100th CES Fire Department civilian firefighter, work together to battle the flames in the live fire training house during a training session Nov. 10, 2015, on RAF Mildenhall, England. The firefighters conducted training and showed their skills to U.S. Air Force Chief Master Sgt. Chad Bickley, 100th Mission Support Group command chief, during his immersion with the 100th CES. (U.S. Air Force photo by Karen Abeyasekere/Released)