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  1. Richard Nafzger's Closing Notes in #NASA's 50th | From Earth to Stars

    Richard Nafzger's Closing Notes in #NASA's 50th | From Earth to Stars

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  3. NASA 50th Anniversary Moment - Richard Nafzger

    NASA 50th Anniversary Moment - Richard Nafzger

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  4. NASA 50th Anniversary Moment - Richard Nafzger

    NASA 50th Anniversary Moment - Richard Nafzger

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