The people aboard STS-122 had several jobs to do. The main job was to add the new room, or module, "Columbus", to the space station. To do this, a robot arm, called a Remote Manipulator System, or RMS, will be used to lift "Columbus" out of the Space Shuttle, and move it over to a gap in the side of the space station. Two of the crew will then go outside, and fit parts to the module. "Columbus" will be used for scientific research.