The Forest Service, headquartered in Washington, D.C., has 27,062 permanent, full-time employees as of Sept. 20, 2018, including 541 in the headquarters office and 26,521 in regional and field office.[15]

The USDA Forest Service's mission is to sustain the health, diversity, and productivity of the Nation's forests and grasslands to meet the needs of present and future generations.[16] Its motto is "Caring for the land and serving people."

As the lead federal agency in natural resource conservation, the Forest Service provides leadership in the protection, management, and use of the nation's forest, rangeland, and aquatic ecosystems. The agency's ecosystem approach to management integrates ecological, economic, and social factors to maintain and enhance the quality of the environment to meet current and future needs. Through implementation of land and resource management plans, the agency ensures sustainable ecosystems by restoring and maintaining species diversity and ecological productivity that helps provide recreation, water, timber, minerals, fish, wildlife, wilderness, and aesthetic values for current and future generations of people.[17]

The everyday work of the Forest Service balances resource extraction, resource protection, and providing recreation. The work includes managing 193 million acres (780,000 km2) of national forest and grasslands, including 59 million acres (240,000 km2) of roadless areas; 14,077 recreation sites; 143,346 miles (230,693 km) of trails; 374,883 miles (603,316 km) of roads; and the harvesting of 1.5 billion trees per year.[16] Further, the Forest Service fought fires on 2.996 million acres (12,120 km2) of land in 2007.[16]

The Forest Service organization includes ranger districts, national forests, regions, research stations and research work units and the Northeastern Area Office for State and Private Forestry. Each level has responsibility for a variety of functions.[18] >

From Wikipedia, if you wondered what the forest service was