From sites on the fringes of wildfires burning around the West, incident commanders spend nearly every waking hour huddled around maps, looking at computer screens or glued to the radio, trying to plot their next move.
Their decisions come after pouring over intelligence that's flooding in from crew leaders, weather forecasters and fuels analysts.
Elsewhere, teams of specialists smooth out the logistics of shuffling firefighters and equipment around the country.
Tom Harbour is the director of fire and aviation management for the U.S. Forest Service.
He says that the characterization that fire is war is probably a fitting one.
But he expresses cautious confidence that the Forest Service has adequate resources to do the job.