Firefighters Battle Massive California Wildfire

A member of the Monterey Hotshots carries a gas can near a burn operation on the southern flank of the Rim Fire near Yosemite National Park in California, August 30, 2013. (U.S. Forest Service)

A member of the BLM Silver State Hotshot crew using a drip torch to set back fires on the southern flank of the Rim Fire in California, August 30, 2013. (U.S. Forest Service)

A member of the Bureau of Land Management Silver State Hotshot crew from Elko, Nevada, walks through a burn operation on the southern flank of the Rim Fire near Yosemite National Park in California, August 30, 2013. (U.S. Forest Service, Mike McMillan)

Firefighter Russell Mitchell monitors a back burn during the Rim Fire near Yosemite National Park, California, August 27, 2013.

A videographer records the Rim Fire burning through trees near Yosemite National Park, California, August 27, 2013.

A firefighter stands on top of a fire truck at a campground destroyed by the Rim Fire near Yosemite National Park, California, August 26, 2013.

A fire truck drives past burning trees as firefighters continue to battle the Rim Fire near Yosemite National Park, California, August 26, 2013.

This photo released by NASA astronaut Karen Nyberg shows a view of the California wildfires from the International Space Station, August 26, 2013.

A helicopter reloads fire retardant as firefighters continue to battle the Rim Fire in Tuolumne City, California, August 26, 2013.

Los Angeles County firefighters walk past two Bombardier CL-415 Super Scooper firefighting planes parked at Van Nuys Airport in Los Angeles, California, August 26, 2013.

Firefighter A.J. Tevis watches the flames of the Rim Fire near Yosemite National Park, California, August 25, 2013.