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Talking To The International Space Station09:11

This article is more than 6 years old.

Chris Cassidy was born in Salem, Mass., and lives in York, Maine. On his first mission in 2009, Cassidy became the 500th person to set foot in space. Before that he was a Navy SEAL serving in many places, including Afghanistan. In March, he took off on his second space flight. He'll return to Earth in September.


Chris Cassidy, flight engineer aboard the International Space Station


This segment aired on August 20, 2013.

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