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cover photos

Top: NASA Lewis has been responsible for developing the propulsion technologies required for a next-generation supersonic commercial transport, or High-Speed Civil Transport (HSCT). NASA personnel have made significant contributions to propulsion component and high-temperature engine materials technologies that will not only contribute to future HSCT aircraft and engine designs but will be utilized in a wide variety of other government and industry programs, both aerospace and nonaerospace.

Bottom: The agreement between Lewis and America True calls for detailed analysis of different sail and mast designs.

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Note that at the time of printing, the NASA Lewis Research Center was undergoing a name change to the NASA John H. Glenn Research Center at Lewis Field. URL's for the Center are gradually being changed from lerc.nasa.gov to grc.nasa.gov. If a URL given in this document does not work, try substituting "grc" for "lerc," wherever it appears.

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