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    From Compass to Cosmos: Charting the World Magnetic...

    The historical progression of understanding and mapping the Earth's magnetic field for navigation begins with the foundational work of pioneers like Edmond Halley and Carl Friedrich Gauss and moves through crucial data collection efforts, from the non-magnetic ship Carnegie in the early 20th century to the U.S. military's Project Magnet and subsequent satellite missions. These efforts have culminated in the creation of the World Magnetic...

    Mapping Security: NGA's Geospatial Intelligence...

    United States security hinges on the vigilance and collaboration of numerous agencies. At the forefront of this mission, the Department of Homeland Security and Department of War tirelessly work to safeguard our borders. Behind the scenes, providing a critical, often unseen layer of support, is the National Geospatial-Intelligence Agency.