Program Note: Tune in tonight to see more about the astronauts from John Zarrella on AC360° at 10 p.m. ET.
CNN's John Zarrella talks to a space shuttle commander that had a big screen role in the hit movie "Top Gun."
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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