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The National Aeronautics and Space Administration (NASA) logo has three official designs, although...

The National Aeronautics and Space Administration (NASA) logo has three official designs, although one of them (the "worm") has been retired from official use since 1992. The three logos include the NASA insignia (also known as the meatball), the NASA logo (also known as the worm), and the NASA seal. The NASA logo dates back to 1959, when the National Advisory Committee for Aeronautics (NACA) metamorphosed into an agency that would advance both space and aeronautics: the National Aeronautics and Space Administration. After a NASA Lewis Research Center illustrator's design was chosen for the new agency's official seal, the head of Lewis' Research Reports Division, James Modarelli, was asked by the executive secretary of NASA to design a logo that could be used for less formal purposes. Modarelli simplified the seal, leaving only the white stars and orbital path on a round field of blue with a red vector. Then he added white N-A-S-A lettering. In the NASA insignia design, the sphere represents a planet, the stars represent space, the red chevron, in the alternate shape of the constellation Andromeda, is a wing representing aeronautics (the latest design in hypersonic wings at the