National System for Geospatial-Intelligence (NSG) - Provides timely, relevant, and accurate imagery, imagery intelligence, and geospatial information in support of America's military forces and national policy makers and civil users.
GEOnet Names Server - Searchable database of place names and features outside the U.S., developed by the National Imagery and Mapping Agency.
Geospatial Sciences Division - Includes publications, satellite data, geodetic control data, geodetic and the geophysical surveying home page.
