| 11. | Du was a founder of Chinese modern aeronautic and astronautic material engineering.
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| 12. | Horbulin is a member of the International Academy of Astronautics.
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| 13. | He was a member of the American Institute of Aeronautics and Astronautics.
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| 14. | It operates within the Stanford Department of Aeronautics & Astronautics.
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| 15. | Bill Sprague, the team leader of American Astronautics Corp ., agreed.
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| 16. | The term " astronautics " was coined by analogy with aeronautics.
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| 17. | He was an Honorary Fellow of the American Institute of Aeronautics and Astronautics.
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| 18. | G . A . Crocco is a pioner both in aeronautics and astronautics.
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| 19. | His major activity is popularization of astronomy and astronautics.
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| 20. | In 1968 he became a corresponding member of the International Academy of Astronautics.
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