NASA
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9/11 Memories: Astronaut Recalls Heartbreak in Space
Now retired astronaut Frank Culbertson was the only American not on the planet the day of the 9/11 strike, but that certainly doesn't mean that he didn't feel the impact of this tragedy. In fact, as he recalls in letters and a recent video, hearing about the attack from so far away was a profoundly heart-wrenching experience.
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