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CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4736

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4709

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4707

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4687

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4689

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida as employees snap photos. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4712

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4701

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4710

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4703

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4711

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4684

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4706

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is prepared for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Mic Miracle KSC-2010-4718

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is prepared for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will t... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Mic Miracle KSC-2010-4721

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jim Grossmann KSC-2010-4708

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Tony Gray KSC-2010-4774

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime tr...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shu... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4716

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, an American flag and a sign supporting space shuttle Discovery with signatures of space center workers hang on its crawler-transporter mobile launcher as it begins the nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle about six hours to complete the move. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4704

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, an ...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, an American flag and a sign supporting space shuttle Discovery with signatures of space center workers hang on its crawler-transporter mobile l... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Mic Miracle KSC-2010-4719

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4715

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Tony Gray KSC-2010-4772

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Tony Gray KSC-2010-4773

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime tr...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shu... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4685

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4702

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a crawler-transporter is ready to carry space shuttle Discovery from the Vehicle Assembly Building to Launch Pad 39A in a move known as "rollout." It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4688

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a c...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a crawler-transporter is ready to carry space shuttle Discovery from the Vehicle Assembly Building to Launch Pad 39A in a move known as "rollou... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4705

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center in Florida. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4713

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle D...

CAPE CANAVERAL, Fla. -- Bathed in bright xenon lights, space shuttle Discovery makes its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Mic Miracle KSC-2010-4720

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.     Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4686

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is ready for its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, workers and their friends and families watch as space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4717

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, wor...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, workers and their friends and families watch as space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembl... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4714

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery begins its nighttime trek, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It will take the s... More

CAPE CANAVERAL, Fla. -- Launch Pad 39A, which is attached to space shuttle Discovery, is seen through a slide wire basket as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and provides access inside the vehicle will be moved into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.       Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4780

CAPE CANAVERAL, Fla. -- Launch Pad 39A, which is attached to space shu...

CAPE CANAVERAL, Fla. -- Launch Pad 39A, which is attached to space shuttle Discovery, is seen through a slide wire basket as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating servic... More

CAPE CANAVERAL, Fla. -- Just after sunset, space shuttle Discovery is attached to Launch Pad 39A at NASA's Kennedy Space Center in Florida. Meanwhile, workers prepare to move the rotating service structure, which protects the shuttle from the elements and provides access inside, into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4778

CAPE CANAVERAL, Fla. -- Just after sunset, space shuttle Discovery is ...

CAPE CANAVERAL, Fla. -- Just after sunset, space shuttle Discovery is attached to Launch Pad 39A at NASA's Kennedy Space Center in Florida. Meanwhile, workers prepare to move the rotating service structure, whi... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4722

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took th... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and provides access inside the vehicle will be moved into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4775

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from t... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4726

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the s... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and provides access inside the vehicle will be moved into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4779

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from t... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A at NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and provides access inside the vehicle will be moved into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4777

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A at NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and pro... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4733

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4731

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4732

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the s... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4734

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the American flag is illuminated next to space shuttle Discovery as the spacecraft makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4727

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the American flag is illuminated next to space shuttle Discovery as the spacecraft makes the last leg of its journey, known as "rollout," from ... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4735

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4724

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took th... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4728

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took th... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from the elements and provides access inside the vehicle will be moved into place. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4776

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. Later, the rotating service structure that protects the shuttle from t... More

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4737

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch ...

CAPE CANAVERAL, Fla. -- Space shuttle Discovery is attached to Launch Pad 39A as the sun rises over NASA's Kennedy Space Center in Florida. It took the spacecraft about six hours to make the journey, known as "... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery approaches Launch Pad 39A during "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4725

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery approaches Launch Pad 39A during "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, a... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4730

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery is attached to Launch Pad 39A, completing "rollout" from the Vehicle Assembly Building to Launch Pad 39A. It took the s... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4729

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took th... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took the shuttle, attached to its external fuel tank, twin solid rocket boosters and mobile launcher platform, about six hours to complete the move atop a crawler-transporter. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Frankie Martin KSC-2010-4723

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, spa...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, space shuttle Discovery makes the last leg of its journey, known as "rollout," from the Vehicle Assembly Building to Launch Pad 39A. It took th... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the sun shines through Launch Pad 39A and hides space shuttle Discovery, which is secured to the pad structure. It took the spacecraft about six hours to make the journey, known as "rollout," from the Vehicle Assembly Building to the pad. Rollout sets the stage for Discovery's STS-133 crew to practice countdown and launch procedures during the Terminal Countdown Demonstration Test in mid-October.      Targeted to liftoff Nov. 1, Discovery will take the Permanent Multipurpose Module (PMM) packed with supplies and critical spare parts, as well as Robonaut 2 (R2) to the International Space Station. Photo credit: NASA/Jack Pfaller KSC-2010-4738

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, the sun shines through Launch Pad 39A and hides space shuttle Discovery, which is secured to the pad structure. It took the spacecraft about si... More