More than a million people were expected in the area around the Kennedy Space Center to watch the launch. Many arrived before sunrise to claim the best seats. Scott Cameron/NPR hide caption

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Food packets containing the astronauts' "all-American meal," including (clockwise from top left) corn, chicken, brisket, and beans, along with a lemonade, at right. Devin Boldt/NASA - JSC hide caption

itoggle caption Devin Boldt/NASA - JSC

The space shuttle Atlantis lifts off from the Kennedy Space Center Friday, July 8, 2011, in Cape Canaveral, Fla. Morry Gash/AP hide caption

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Astronaut Steve Bowen works outside the International Space Station's Quest airlock during Monday's spacewalk. Bowen's spacewalk was unexpectedly extended by a computer malfunction. NASA TV hide caption

itoggle caption NASA TV

Astronauts aboard the space shuttle Discovery, seen here lifting off from Kennedy Space Center in Florida, are preparing to dock with the International Space Station Saturday. Stan Honda/AFP/Getty Images hide caption

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May 28, 2008, file photo: Space shuttle Discovery commander Mark Kelly, right, gestures as he walks with his twin brother astronaut Scott Kelly, left, and mission specialist Ron Garan, after arrival at Kennedy Space Center in Cape Canaveral, Fla. Terry Renna/AP hide caption

itoggle caption Terry Renna/AP

The space shuttle Atlantis docked to the International Space Station in May 2010. NASA has announced that Atlantis will fly one last mission in June 2011 before retirement. NASA/Getty Images hide caption

itoggle caption NASA/Getty Images