Flight controllers gather around NASA Flight Director Glynn Lunney (seated, foreground) in the control room at what's now called Johnson Space Center in Houston during the Apollo 13 aborted lunar landing mission, on April 15, 1970.
Mandatory Credit: Space Frontiers/Archive Photos/Getty Images via CNN Newsource
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Why it’s difficult to land on moon five decades after Apollo
Hundreds of thousands of miles beyond Earth, a phone booth-size spacecraft is en route to take on a challenge no vehicle launched from the United States has attempted in more than 50 years.
