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CAPE CANAVERAL, Fla. - On Launch Pad 39A at NASA's Kennedy Space Center, the payload canister waits for adjusted guide shoes to be attached before being lifted to the payload changeout room for the second time. 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