During crew equipment interface test activities at KSC, STS-118 Mission Specialists Richard Mastrocchio (left) and Dr. Dafydd Williams (right) look over the shuttle arm in Endeavour's payload bay. The STS-118 mission will be delivering the third starboard truss segment, the ITS S5, to the International Space Station, as well as the SPACEHAB single cargo module filled with supplies and equipment. Launch aboard Space Shuttle Endeavour is targeted for Aug. 9. Photo credit: NASA/Kim Shiflett