STS-118 Mission Specialist Dafydd Williams (Canadian Space Agency) tests a tool that is part of equipment for the mission. The crew is taking part in equipment familiarization in the Space Station Processing Facility. The STS-118 mission will be delivering and installing the third starboard truss segment, the ITS S5, to the International Space Station, and carry a SPACEHAB Single Cargo Module with supplies and equipment. Launch date is under review.