First seal of the National Geospatial-Intelligence Agency, dating from when its name was changed from the National Imagery and Mapping Agency in 2003.  The seal was updated in 2008; the new version is the same but with a different inscription.  For more information, see here.
Extracted from page 33 of the PDF version of 2006 NGA GEOINT Basic Doctrine (direct PDF URL [1]).
U.S. Government