Moving Letter from Astronaut Frank Culbertson on 9/11/2001, only American not on Earth during Sept 11 attacks | NASA http://www.nasa.gov/topics/nasalife/features/sept11_culbertson.html#.UjB1f1c0w7s.twitter …
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Moving Letter from Astronaut Frank Culbertson on 9/11/2001, only American not on Earth during Sept 11 attacks | NASA http://www.nasa.gov/topics/nasalife/features/sept11_culbertson.html#.UjB1f1c0w7s.twitter …