The United States faces a complex array of threats to our national security, including our political, economic, military, and social systems. These threats will continue to evolve as new and resurgent adversaries develop politically and militarily, as weapons and technology advance, and as environmental and demographic changes occur. A House committee report accompanying a bill for the National Defense Authorization Act for Fiscal Year 2018 included a provision for GAO to identify emerging threats of high national security consequence. This report focuses on long-range emerging threats—those that may occur in approximately 5 or more years, or those that may occur during an unknown timeframe—as identified by various respondents at the Department of Defense (DOD), Department of State (State), Department of Homeland Security (DHS), and the Office of the Director of National Intelligence (ODNI). Read more here.