United States National Aeronautics and Space Administration

**Definition:** An independent Federal agency established in 1958. It conducts research for the solution of problems of flight within and outside the Earth's atmosphere and develops, constructs, tests, and operates aeronautical and space vehicles. (From U.S. Government Manual, 1993)

**Tree numbers:** - I01.409.418.750.984 - N03.540.348.500.500.984

**Synonyms:** - National Aeronautics and Space Administration - NASA