http://www.sti.nasa.gov/scan/astronautics.html Includes astronautics, astrodynamics, ground support systems and facilities, launch/space vehicles, space transportation and space communications. Includes general information about astronautics, astrodynamics, ground support systems and space facilities. Also, launch vehicles and space vehicles, space transportation, space communications, spacecraft communications, command and tracking, spacecraft design, testing and performance, spacecraft instrumentation, and spacecraft propulsion.
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http://www.sti.nasa.gov/STI-public-homepage.html NASAs Scientific and Technical Information (STI) site has NASA aerospace and astronautics information , as well as the ability to locate domestic and international STI data pertinent to NASAs missions and Strategic Enterprises. Includes unrestricted NASA and NACA reports, journal articles, with advanced searches that encompass non-NASA information received through automated harvesting. Access to selected databases plus NASA technical reports and the latest Scientific &, Technical Aeros
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