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KENNEDY SPACE CENTER, FLA. -- In the Space Station Processing Facility, members of the STS-118 crew look at a mockup of the control moment gyro (CMG) and the insulating cover. The CMG is part of the payload on their mission. At the far left is Mission Specialist Tracy Caldwell; at right are Mission Specialists Clayton Anderson and Richard Mastracchio (holding the cover). Anderson will be flying on STS-118 to join the Expedition 15 crew as flight engineer on the International Space Station. The CMG will replace a faulty one on the International Space Station. The payload also includes the SPACEHAB single cargo module, the third starboard truss segment (ITS S5) and the external stowage platform 3 (ESP3). STS-118 is targeted to launch June 28 from Launch Pad 39A. Photo credit: NASA/Kim Shiflett