
United
Nations
Office for Outer Space Affairs
UN-SPIDER Knowledge Portal
The National Geospatial-Intelligence Agency (NGA) is the primary source of geospatial intelligence for the U.S. Department of Defense and the U.S. Intelligence Community. NGA provides geospatial intelligence, in support of U.S. national security and defense, as well as disaster relief. (NGA, 18.12.2014)