The Secretary of Agriculture is the head of the U.S. Department of Agriculture. Responsibilities of the Secretary include developing farming policies, promoting agricultural trade and production, taking measures to ensure food safety, protecting natural resources, encouraging sustainability of rural communities, and finding solutions for domestic and international hunger. Units operating under the Department of Agriculture include the Animal and Plant Health Inspection Service (APHIS), the Forest Service (FS), Natural Resources Conservation Service (NRCS), and the Food Safety Inspection Service (FSIS).