Beale firefighters extinguish brush fire

A U.S. Air Force firefighter extinguishes flames from a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. Beale firemen wear protective suites to shield them from heat. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

A U.S. Air Force firefighter extinguishes flames from a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. Beale firemen wear protective suites to shield them from heat. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

U.S. Air Force firefighters utilize a "Scout" vehicle to battle a brush fire at Beale Air Force Base, Calif., Sept. 13, 2012. The scout is an all terrain vehicle equipped with fire fighting capabilities. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

U.S. Air Force firefighters utilize a "Scout" vehicle to battle a brush fire at Beale Air Force Base, Calif., Sept. 13, 2012. The scout is an all terrain vehicle equipped with fire fighting capabilities. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

A U.S. Air Force firefighter battles a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. Beale firefighters often support local fire departments during the fire season. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

A U.S. Air Force firefighter battles a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. Beale firefighters often support local fire departments during the fire season. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)

U.S. Air Force firefighters extinguish the remnants of a grass fire at Beale Air Force Base, Calif. Sept. 13, 2012. The blaze consumed approximately 17 acres. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

U.S. Air Force firefighters extinguish the remnants of a grass fire at Beale Air Force Base, Calif. Sept. 13, 2012. The blaze consumed approximately 17 acres. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

U.S. Air Force firefighters return from combating a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. More than 14 firefighters and 7 vehicles responded to the blaze. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)

U.S. Air Force firefighters return from combating a grass fire at Beale Air Force Base, Calif., Sept. 13, 2012. More than 14 firefighters and 7 vehicles responded to the blaze. (U.S. Air Force photo by Senior Airman Shawn Nickel/Released)