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CAPE CANAVERAL, Fla. - In the Payload Hazardous Servicing Facility, or PHSF, at NASA's Kennedy Space Center in Florida, workers secure the Orbital Replacement Unit Carrier, or ORUC, onto a stand after it was returned back to the clean room from Launch Pad 39A. The payload for Hubble servicing mission 4 comprises four carriers holding various equipment for the mission. In the PHSF, the carriers will be stored until a new target launch date in 2009 can be set for Atlantis’ STS-125 mission. Atlantis’ October target launch date was delayed after a device on board Hubble, used in the storage and transmission of science data to Earth, shut down on Sept. 27. Replacing the broken device will be added to Atlantis’ servicing mission to the telescope. Photo credit: NASA/Jim Grossmann