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KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space Shuttle Atlantis sits on Launch Pad 39B after rollout from the Vehicle Assembly Building. Seen on either side of the orbiter’s tail are the tail service masts. They support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft umbilicals. To the left of the orbiter is the white environmental chamber (white room) that mates with the orbiter and holds six persons. It provides access to the orbiter crew compartment. In the background is the Atlantic Ocean. The Shuttle is targeted for…
