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CAPE CANAVERAL, Fla. - On Launch Pad 39A at NASA's Kennedy Space Center, workers on the crane prepare to attach adjusted guide shoes onto the outside of the payload canister for a second lift to the payload changeout room. The first attempt encountered problems when Teflon pads on “shoes” attached to the outside of the canister that go onto guide rails to help the canister into the room didn’t fit properly. The two shoes were removed, slightly shaved down so that they would fit into the rails and put back on the canister. The changeout room is the enclosed, environmentally controlled portion of the rotating service structure that supports cargo delivery to the pad and subsequent vertical installation into the shuttle’s payload bay. Launch of Atlantis is targeted for Oct. 10. Photo credit: NASA/Jim Grossmann