OTHER GEODETIC SYSTEMS / Global Navigation Satellite Systems / NGA Geospatial Intelligence Standards Working Group / Local Geodetic Systems / Molodensky Datum Transformation Formulas / Gravitational Potential Geodetic Reference Systems / Geomagnetic Coordinate Systems / Geocentric Coordinate Systems / Polar Motion / /
NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY / Department of Defense INSTRUCTION NUMBER / Mapping Agency / Mail Stop L-41 Office / Geospatial Intelligence / Department of Defense / Defense Mapping Agency / International Earth Rotation and Reference Systems Service / NGA DEFINITION Department of Defense Directive / Department of Defense World Geodetic System / US Government / / /