The term refers to updated cartographic representations and data utilized by the United States Navy for navigation, strategic planning, and operational deployments. This encompasses both physical charts and digital geospatial information systems, reflecting advancements in surveying technologies, satellite imagery, and data processing techniques. The adoption of more precise hydrographic surveys, for example, contributes to a more accurate and reliable representation of maritime environments.
These modernized resources enhance maritime safety, improve operational effectiveness, and facilitate more informed decision-making. By providing a clearer understanding of bathymetry, coastlines, and potential hazards, the Navy is better equipped to navigate complex environments, conduct search and rescue operations, and project power globally. The evolution of these resources is rooted in a long history of naval exploration and the continuous pursuit of improved navigational accuracy.