The U.S. National Committee for Geodesy and Geophysics (USNC/IUGG) promotes the advancement of geophysical and geodetical sciences in the United States and throughout the world by participating in the activities of the International Union of Geodesy and Geophysics (IUGG).

The USNC/IUGG serves to advance geodesy and geophysics in the United States and throughout the world by:

• Representing the interests of the U.S. sciences community in all activities of the International Union of Geodesy and Geophysics (IUGG) and its eight component Associations on behalf of the National Academy of Sciences (NAS), the U.S. adhering body to the IUGG.
• Fostering collaborative research through the organization and sponsorship of scientific sessions and meetings in the U.S. and abroad.
• Encouraging and supporting participation and service by U.S. scientists in international bodies organized under the IUGG and its Associations.
• Sending voting delegates as representatives of the U.S. geophysical community to IUGG-sponsored international congresses and General Assemblies.
• Supporting the engagement of early career U.S. scientists in international scientific activities and organizations.