What is the mission of the National Imagery and Mapping Agency?

The mission of the National Imagery and Mapping Agency, which is now part of the National Geospatial-Intelligence Agency, focuses primarily on meeting the imagery and mapping needs of the U.S. government. This includes providing essential data for national security, defense planning, and support for military operations. By centralizing these responsibilities, the agency ensures efficient use of resources and coordination amongst various government entities that rely on accurate and timely geospatial information.

The other options do not align with the agency's primary mission. For instance, managing all military communications, conducting diplomatic missions abroad, and overseeing international relations are duties associated with different governmental organizations and departments that do not directly pertain to imagery and mapping needs.