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CAPE CANAVERAL, Fla. - At Launch Pad 39A at NASA’s Kennedy Space Center in Florida, technicians work to move the Hubble payload canister into the payload changeout room for space shuttle Atlantis’ STS-125 mission. The canister arrived at the pad on Saturday evening, however, early Sunday morning technicians were unable to place the canister into the pad’s payload changeout room. Teflon pads on “shoes” attached to the outside of the payload canister that help the canister move along guide rails didn’t fit properly. The shoes, one seen here, were removed and several options were considered, including slightly shaving down the pads so the shoes will fit onto the rails. STS-125 is the fifth and final shuttle Hubble Space Telescope servicing mission. Atlantis’ launch is targeted for Oct. 10. Photo credit: NASA/Kim Shiflett.