Breaking Barriers
Tech Sgt. Roger Dupuis, 11th Civil Engineer Squadron firefighter directs Airmen into the flashover identification trainer Aug. 28, 2012 at Joint Base Andrews, Md. A flashover is the near-simultaneous ignition of most of the directly exposed combustible material in an enclosed area. (U.S. Air Force Photo by Senior Airman Perry Aston)

Download Image: Full Size (1.85 MB)
Tags: 11th Wing
Photo by: Senior Airman Perry Aston |  VIRIN: 120828-F-MG591-011.JPG