In the Space Station Processing Facility, an overhead crane moves the S3/S4 integrated truss above the floor to a payload canister. Several space station modules can be seen at various points on the floor. After it is stowed in the canister, the S3/S4 truss will be transported to the launch pad. The truss is the payload on mission STS-117, targeted for launch on March 15. Photo credit: NASA/George Shelton
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