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The Global Area Reference System (GARS) is a standardized geospatial reference system developed by the National Geospatial-Intelligence Agency (NGA) for use across the United States Department of Defense.
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The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national security.
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format.
DTED (or Digital Terrain Elevation Data) is a standard of digital datasets which consists of a matrix of terrain elevation values, i.e., a Digital Elevation Model.This standard was originally developed in the 1970s to support aircraft radar simulation and prediction.
DAFIF diagram of Ottawa International Airport. The Digital Aeronautical Flight Information File or DAFIF (/ ˈ d eɪ f ɪ f /) is a comprehensive database of up-to-date aeronautical data, including information on airports, airways, airspaces, navigation data, and other facts relevant to flying in the entire world, managed by the National Geospatial-Intelligence Agency (NGA) of the United States.
Global Research Identifier Database (GRID) is a database of educational and research organizations worldwide, created and maintained by Digital Science & Research Solutions Ltd., part of the technology company Digital Science.
The current standard that defines NITF 2.1 is the Joint BIIF Profile (JBP), version 2024.1 (JBP-2024.1), dated 13 June 2023, which superseded MIL-STD-2500C CN2 in June 2024. The JBP is a profile of ISO/IEC 12087-5, Basic Image Interchange Format, in lieu of the previous military standards. [1] The following documents define the standard: