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CAPE CANAVERAL, Fla. – In the Payload Hazardous Servicing Facility, workers secure a carrier for the STS-125 Hubble Servicing Mission on the work stand. The carrier and stand will be moved to scaffolding. The carrier, or pallet, will hold the flight support system equipment in space shuttle Atlantis’ payload bay. This and other carriers will be prepared for the integration of telescope science instruments, both internal and external replacement components, as well as the flight support equipment to be used by the astronauts during the servicing mission. The three payload carriers are the Flight Support System, the Super Lightweight Interchangeable Carrier and the Orbital Replacement Unit Carrier. At the end of July, a fourth and final carrier, the Multi-Use Lightweight Equipment carrier will join the others in the Payload Hazardous Servicing Facility where the Hubble payload is being prepared for the targeted Oct . 8 launch. Photo credit: NASA/Jack Pfaller