Office Home Office Home Leadership Remarks and Releases Announcements HomeBureaus & Offices > Under Secretary for Foreign Assistance, Humanitarian Affairs and Religious Freedom …Office of Global Food Security hide Office of Global Food Security Our Mission The Department of State prioritizes food security as an issue of national security. The Department leads and coordinates U.S. diplomatic engagement on food systems, food security, and nutrition in bilateral, multilateral, and regional fora, working closely with the U.S. Department of Agriculture (USDA), and other departments and agencies. Learn about previous news and events by visiting our archive.