In addition to the Department of Transportation and FAA, the plan involved other government agencies with responsibilities in air transportation services, including the National Aeronautics and Space Administration (NASA), National Weather Service, Department of Defense, and Transportation Security Administration. The result of the JPDO's efforts was the creation of the 'Integrated National Plan for the Next Generation Air Transportation System' in 2004, which defined high-level goals, objectives, and requirements to transform the air transportation system. air transportation system should deliver for the next generation and beyond, to develop and coordinate long-term research plans, and to sponsor cross-agency mission research.

In 2003, Congress enacted the Vision 100 – Century of Aviation Reauthorization Act, which established the Joint Planning and Development Office (JPDO) to create a unified vision of what the U.S. Aerospace Industry recommended that a multi-agency task force develop an integrated plan to transform the U.S. Two years later, the Commission on the Future of the U.S. The need for NextGen became apparent during the summer of 2000 when air travel was impeded by severe congestion and costly delays.

The goals of the modernization include using new technologies and procedures to increase the safety, efficiency, capacity, access, flexibility, predictability, and resilience of the NAS while reducing the environmental impact of aviation. The FAA began work on NextGen improvements in 2007 and plans to finish the final implementation segment by 2030. The Next Generation Air Transportation System ( NextGen) is an ongoing United States Federal Aviation Administration (FAA) project to modernize the National Airspace System (NAS).

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