| 41. | The National Aeronautics and Space Administration began the countdown for the scientific mission on Monday.
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| 42. | The bill recommends $ 13.8 billion for the National Aeronautics and Space Administration.
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| 43. | Their future may be influenced by a National Aeronautics and Space Administration decision expected tomorrow.
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| 44. | The future of those businesses may be influenced by the National Aeronautics and Space Administration.
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| 45. | The meeting is co-sponsored by NASA, the National Aeronautics and Space Administration.
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| 46. | On Tuesday, the National Aeronautics and Space Administration announced that it happened last month.
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| 47. | Weiler said Thursday at a National Aeronautics and Space Administration briefing on the Mars missions.
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| 48. | Cernan hasn't worked for the National Aeronautics and Space Administration for 25 years.
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| 49. | It was the National Aeronautics and Space Administration's longest shuttle flight to date.
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| 50. | The National Aeronautics and Space Administration also worked around a last-minute technical glitch.
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