Due to the history of large scale, multi-jurisdictional wildland fires impacting Navy installations, these types of fires have become a significant hazard that require prior significant planning and coordination onboard Navy installations within probable hazard areas.  Wildland Fires-There are three different types of wildfires: a surface fire, ground fire, and crown fire.  A surface fire is the most common type and burn along the floor of a forest, moving slowly and killing or damaging trees.  A ground fire is usually started by lightning and burns on or below the forest floor.  Crown fires spread rapidly and move quickly by jumping along tops of trees.