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This image of space shuttle Discovery was taken as the craft began its nighttime trek, 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. On STS-133, its final planned mission, Discovery will take the Permanent Multipurpose Module packed with supplies and critical spare parts, as well as Robonaut 2 to the International Space Station. Image Credit: NASA/Tony Gray (More at NASA Picture Of The Day)
This image of space shuttle Discovery was taken as the craft began its nighttime trek, 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. On STS-133, its final planned mission, Discovery will take the Permanent Multipurpose Module packed with supplies and critical spare parts, as well as Robonaut 2 to the International Space Station. Image Credit: NASA/Tony Gray (More at NASA Picture Of The Day)