 "Defendability" is also considered, as more effort will need to be expended on saving a house with a wooden-shake roof than one with a tile roof, for example.Across the United States Wildfire suppression is administered by land management agencies including the U.S. Forest Service, Bureau of Land Management, U.S.Fish and Wildlife Service, National Park Service, the Bureau of Reclamation, the Army Corps of Engineers, and state departments of forestry.