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CAPE CANAVERAL, Fla. – On Launch Pad 39A at NASA's Kennedy Space Center in Florida, workers prepare to close the doors of space shuttle Atlantis' payload bay that is filled with hardware for the STS-125 mission to service NASA's Hubble Space Telescope. At the bottom are the Flight Support System with the Soft Capture mechanism and Multi-Use Lightweight Equipment Carrier with the Science Instrument Command and Data Handling Unit, or SIC&DH. At center is the Orbital Replacement Unit Carrier with the Cosmic Origins Spectrograph, or COS, and an IMAX 3D camera. At top is the Super Lightweight Inte…