| 21. | National Aeronautics and Space Administration crews spent the weekend replacing the fuel cell.
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| 22. | The National Aeronautics and Space Administration paid for both.
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| 23. | The National Aeronautics and Space Administration is particularly thrilled.
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| 24. | National Aeronautics and Space Administration spokeswoman Leslie Williams said.
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| 25. | The National Aeronautics and Space Administration applauded the launch.
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| 26. | Burch also served as a consultant to the National Aeronautics and Space Administration.
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| 27. | The National Aeronautic and Space Administration also used Derrick Cave in the 1960s.
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| 28. | She began her career with the National Aeronautics and Space Administration in 1970.
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| 29. | Combined, the two are National Aeronautics and Space Administration's biggest contractors.
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| 30. | The National Aeronautics and Space Administration will train Israelis for future space shuttle flights.
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