What does NASA stand for?

Meaning and background of NASA
Full formNational Aeronautics and Space Administration
CategoryGovernmental · Science & space
CountryUnited States
TypeAcronym
Established1958

The acronym NASA stands for National Aeronautics and Space Administration. It refers to the U.S. civilian space agency.

This guide covers NASA as the U.S. space agency. In a motorsport context, the same letters can refer to a different organization. Compare NASA meanings →

NASA letter by letter: National, Aeronautics, Space, Administration. And connects Aeronautics and Space.
The four words behind NASA.Graphic by AcronymIndex.

The name explained

National
A U.S. government organization, rather than a private company.
Aeronautics
The study of flight through the air. NASA’s work includes aviation research, not only spacecraft.
Space
The agency’s civilian space research and exploration responsibilities.
Administration
The final word in the official name. Agency appeared in the earlier proposal, but is not the current expansion.

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    Practical writing examples

    Introduce the organization to an unfamiliar reader

    Before
    According to NASA, the results are preliminary.
    After
    According to the National Aeronautics and Space Administration (NASA), the results are preliminary.

    Keep later mentions short

    Before
    The National Aeronautics and Space Administration (NASA) published a report. The National Aeronautics and Space Administration will update it.
    After
    The National Aeronautics and Space Administration (NASA) published a report. NASA will update it.

    Handle a possessive without an awkward expansion

    Before
    NASA’s report explains the method.
    After
    The National Aeronautics and Space Administration (NASA) published the report. NASA’s report explains the method.

    Original illustrative examples; these are not quotations from agency documents or reports of actual events.

    Choose the right meaning

    The letters alone do not identify the organization. Check the subject and the official website.

    See the verified context clues
    • Space or aviation: National Aeronautics and Space Administration

      Space missions, astronauts, aircraft research or nasa.gov point to the U.S. government agency.

    • Motorsport or track events: National Auto Sport Association

      Track days, driving events and racing at drivenasa.com point to the motorsport organization, which is separate from the space agency.

    Two checked contexts, not a complete list of every NASA expansion. If neither fits, confirm the meaning with the author or organization.

    Documented origin and history

    The proposed name ended in Agency. Eilene Galloway advocated Administration during the legislative process to support a broader coordinating role.

    These records document the naming process. They do not identify the first person ever to use the acronym NASA.

    An agency is proposed
    Eisenhower’s proposal named a National Aeronautics and Space Agency.
    The Space Act is signed
    The legislation establishes the organization under its final name. The original document is preserved in NASA’s historical collection.
    NASA begins operations
    The organization starts work. This is a different milestone from its legal creation in July.

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