A brush fire, believed to have been started by a lightning strike, burns along the fence line at Mountain Home Air Force Base, Idaho, Aug. 15, 2011. More than 20 vehicles and nearly 60 firefighters from the base, the city of Mountain Home and Grandview fire departments, along with the Bureau of Land Management, worked together to fight the grass fire. (U.S. Air Force photo by Staff Sgt. Gina Chiaverotti-Paige)