NASA’s four Mission Directorates—Exploration Systems, Aeronautics Research, Science, and Space Operations—lead ongoing research and operations that are expanding space exploration capabilities, advancing aviation and space flight, improving our understanding of Earth and the universe, and extending human presence beyond our home planet. These efforts, conducted at each of NASA’s 10 field centers, continue to broaden the horizons of human accomplishment while providing foundations that may lead to future spinoffs benefiting life on Earth.

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