Dextre, the final element of the International Space Station’s Mobile Servicing System, was put together during the second spacewalk of STS-123. Two arms will allow Dextre to transport objects, use tools, and install and remove equipment on the space station. Dextre also is equipped with lights, video equipment, a tool platform and four tool holders. Sensors will allow the robot to “feel” the objects it is dealing with and automatically react to movements or changes.