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{{ safesubst:#invoke:Unsubst||$N=Use American English |date=__DATE__ |$B= }} {{#invoke:Coordinates|coord}}{{#coordinates:38|52|59|N|77|0|59|W |type:landmark_region:US-DC |primary |name= }} {{#invoke:Infobox|infobox}} The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the civilian space program as well as aeronautics and aerospace research.

President Dwight D. Eisenhower established the National Aeronautics and Space Administration (NASA) in 1958<ref name="DDE">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> with a distinctly civilian (rather than military) orientation encouraging peaceful applications in space science. The National Aeronautics and Space Act was passed on July 29, 1958, disestablishing NASA's predecessor, the National Advisory Committee for Aeronautics (NACA). The new agency became operational on October 1, 1958.<ref name="act1">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="NacaNASA">{{#invoke:citation/CS1|citation |CitationClass=book }}</ref>

Since that time, most US space exploration efforts have been led by NASA, including the Apollo moon-landing missions, the Skylab space station, and later the Space Shuttle. Currently, NASA is supporting the International Space Station and is overseeing the development of the Orion Multi-Purpose Crew Vehicle, the Space Launch System and Commercial Crew vehicles. The agency is also responsible for the Launch Services Program (LSP) which provides oversight of launch operations and countdown management for unmanned NASA launches.

NASA science is focused on better understanding Earth through the Earth Observing System,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> advancing heliophysics through the efforts of the Science Mission Directorate's Heliophysics Research Program,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> exploring bodies throughout the Solar System with advanced robotic spacecraft missions such as New Horizons,<ref name="NYT-20150828">{{#invoke:citation/CS1|citation |CitationClass=news }}</ref> and researching astrophysics topics, such as the Big Bang, through the Great Observatories and associated programs.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> NASA shares data with various national and international organizations such as from the Greenhouse Gases Observing Satellite.

NASA sections
Intro  Creation  Space flight programs  Scientific research  Staff and leadership  Facilities  Budget  Environmental impact  Observations  Spacecraft  Examples of NASA missions by target  Plutonium  See also  References  External links  

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