The bullet was designed using some NACA low-supersonic-drag equations to design the shape.
On July 29, 1958, the US Congress passed legislation turning the National Advisory Committee for Aeronautics (NACA) into the National Aeronautics and Space Administration (NASA) with responsibility for the nation's civilian space programs.
NACA Technical Note No. 1341 - A Simplified Method of Elastic-Stability Analysis for Thin Cylindrical Shells, I - Donnell's Equation was issued by the United States National Advisory Committee for Aeronautics in June 1947.
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