Atlantis Space Shuttle Atlantis Space Shuttle

The space shuttle Atlantis took off one last time Friday, launching into the sky on NASA's 135th and final space shuttle mission.

"On behalf of the greatest team in the world, good luck to you and your crew on the final flight of this true American icon," shuttle launch director Mike Leinbach told the astronauts before launch. "And so for the final time ... good luck, Godspeed and have a little fun up there."

Atlantis took off at 11:29 a.m. from the Kennedy Space Center before 750,000 to 1 million people who turned out to witness the historic event.

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