In the Space Station Processing Facility, an overhead crane carrying the P3 Integrated Truss Structure moves into place over a workstand where it will deposit the truss. The port-side P3 truss is scheduled to be added to the International Space Station on mission STS-115 in 2002 aboard Space Shuttle Atlantis. The P3 will be attached to the first port truss segment, P1, being installed in an earlier mission