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KENNEDY SPACE CENTER, FLA. - Photographers shoot the movement of the aft skirt and lower segment of the Solid Rocket Booster for the Return to Flight mission STS-114 as it nears the Vehicle Assembly Building. This is a significant milestone in Return to Flight preparations. Other segments will follow for stacking. Two SRBs support the liftoff of the Space Shuttle on a launch. The twin 149-foot tall, 12-foot diameter SRBs provide the main propulsion system during launch to place the 180,000-pound orbiters in the proper orbit around the Earth. They operate parallel with the Space Shuttle …
