The U.S. Corps of Engineers is the nation’s largest provider of outdoor and water-based recreation and with more than 456 parks in 43 states. Natural Resources Specialists develop and oversee activities designed to manage, conserve, protect and restore the nation’s land, water and wildlife resources. Natural Resources Specialists manage environmental programs and projects consistent with ecosystem management principles. Programs include management of fisheries, wildlife habitats, forestry, shoreline plans, reservoirs, and ensuring compliance and stewardship with environmental laws and regulations.