Controlled Burn An Air Force firefighter ignites a fire during a controlled burn at Joint Base Langley-Eustis, Va., April 17, 2016. The firefighter is assigned to the 633rd Civil Engineer Squadron. Air Force photo by Senior Airman Kayla Newman SHARE: Download: Full Size (0.57 MB) Credit: Senior Airman Kayla Newman VIRIN: 160417-F-KB808-966A.JPG Photo Gallery