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The National Imagery and Mapping Agency (NIMA) was established in 1996[1] to manage imagery processing and dissemination previously undertaken by a number of separate agencies. NIMA provided timely, relevant and accurate imagery, imagery intelligence and geospatial information in support of national security objectives.

NIMA was renamed the National Geospatial-Intelligence Agency (NGA) by the FY2004 Defense Authorization Act.[2]


  1. On October 1, 1996, the Defense Mapping Agency (DMA) was incorporated into NIMA.
  2. Pub. L. No. 108-136.