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CAPE CANAVERAL, Fla. -- Workers prepare to load the payload shipping containers that hold the unpressurized Orbital Replacement Units ORU for the International Space Station's Main Bus Switching Unit MBSU and Utility Transfer Assembly UTA, as well as the Space Test Program-Houston 4 STP H-4 experiments, on a transport. The payloads were processed at Kennedy and will be trucked to Chicago. From Chicago, they will be moved by air freight to Narita, Japan, where a complicated combination of ground and ocean ferry transfers will be used to deliver them to the Tanegashima Space Center. At Tanegashima the payloads will be turned over to the Japan Aerospace Exploration Agency JAXA in preparation for launch on the H-II Transfer Vehicle 4 HTV-4 mission this summer. Photo credit: NASA_Jim Grossmann